The factors of the number 8,400,480 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 43, 44, 48, 55, 60, 66, 74, 80, 86, 88, 96, 110, 111, 120, 129, 132, 148, 160, 165, 172, 176, 185, 215, 220, 222, 240, 258, 264, 296, 330, 344, 352, 370, 407, 430, 440, 444, 473, 480, 516, 528, 555, 592, 645, 660, 688, 740, 814, 860, 880, 888, 946, 1032, 1056, 1110, 1184, 1221, 1290, 1320, 1376, 1419, 1480, 1591, 1628, 1720, 1760, 1776, 1892, 2035, 2064, 2220, 2365, 2442, 2580, 2640, 2838, 2960, 3182, 3256, 3440, 3552, 3784, 4070, 4128, 4440, 4730, 4773, 4884, 5160, 5280, 5676, 5920, 6105, 6364, 6512, 6880, 7095, 7568, 7955, 8140, 8880, 9460, 9546, 9768, 10320, 11352, 12210, 12728, 13024, 14190, 15136, 15910, 16280, 17501, 17760, 18920, 19092, 19536, 20640, 22704, 23865, 24420, 25456, 28380, 31820, 32560, 35002, 37840, 38184, 39072, 45408, 47730, 48840, 50912, 52503, 56760, 63640, 65120, 70004, 75680, 76368, 87505, 95460, 97680, 105006, 113520, 127280, 140008, 152736, 175010, 190920, 195360, 210012, 227040, 254560, 262515, 280016, 350020, 381840, 420024, 525030, 560032, 700040, 763680, 840048, 1050060, 1400080, 1680096, 2100120, 2800160, 4200240, 8400480.
If you add them up, you will get the total of 8,400,501. Now subtract 8,400,480 to get 21,936,288