Q: What is the sum of all factors of the number 6,420,960 excluding 6,420,960?
A: 21,097,440
The factors of the number 6,420,960 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 49, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 98, 104, 105, 112, 117, 120, 126, 130, 140, 144, 147, 156, 160, 168, 180, 182, 195, 196, 208, 210, 224, 234, 240, 245, 252, 260, 273, 280, 288, 294, 312, 315, 336, 343, 360, 364, 390, 392, 416, 420, 441, 455, 468, 480, 490, 504, 520, 546, 560, 585, 588, 624, 630, 637, 672, 686, 720, 728, 735, 780, 784, 819, 840, 882, 910, 936, 980, 1008, 1029, 1040, 1092, 1120, 1170, 1176, 1248, 1260, 1274, 1365, 1372, 1440, 1456, 1470, 1560, 1568, 1638, 1680, 1715, 1764, 1820, 1872, 1911, 1960, 2016, 2058, 2080, 2184, 2205, 2340, 2352, 2520, 2548, 2730, 2744, 2912, 2940, 3087, 3120, 3185, 3276, 3360, 3430, 3528, 3640, 3744, 3822, 3920, 4095, 4116, 4368, 4410, 4459, 4680, 4704, 5040, 5096, 5145, 5460, 5488, 5733, 5880, 6174, 6240, 6370, 6552, 6860, 7056, 7280, 7644, 7840, 8190, 8232, 8736, 8820, 8918, 9360, 9555, 10080, 10192, 10290, 10920, 10976, 11466, 11760, 12348, 12740, 13104, 13377, 13720, 14112, 14560, 15288, 15435, 16380, 16464, 17640, 17836, 18720, 19110, 20384, 20580, 21840, 22295, 22932, 23520, 24696, 25480, 26208, 26754, 27440, 28665, 30576, 30870, 32760, 32928, 35280, 35672, 38220, 40131, 41160, 43680, 44590, 45864, 49392, 50960, 53508, 54880, 57330, 61152, 61740, 65520, 66885, 70560, 71344, 76440, 80262, 82320, 89180, 91728, 98784, 101920, 107016, 114660, 123480, 131040, 133770, 142688, 152880, 160524, 164640, 178360, 183456, 200655, 214032, 229320, 246960, 267540, 305760, 321048, 356720, 401310, 428064, 458640, 493920, 535080, 642096, 713440, 802620, 917280, 1070160, 1284192, 1605240, 2140320, 3210480, 6420960.
If you add them up, you will get the total of 6,420,981. Now subtract 6,420,960 to get 21,097,440