The factors of the number 3,521,448 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 102, 108, 119, 126, 136, 137, 153, 168, 189, 204, 216, 238, 252, 274, 306, 357, 378, 408, 411, 459, 476, 504, 548, 612, 714, 756, 822, 918, 952, 959, 1071, 1096, 1224, 1233, 1428, 1512, 1644, 1836, 1918, 2142, 2329, 2466, 2856, 2877, 3213, 3288, 3672, 3699, 3836, 4284, 4658, 4932, 5754, 6426, 6987, 7398, 7672, 8568, 8631, 9316, 9864, 11508, 12852, 13974, 14796, 16303, 17262, 18632, 20961, 23016, 25704, 25893, 27948, 29592, 32606, 34524, 41922, 48909, 51786, 55896, 62883, 65212, 69048, 83844, 97818, 103572, 125766, 130424, 146727, 167688, 195636, 207144, 251532, 293454, 391272, 440181, 503064, 586908, 880362, 1173816, 1760724, 3521448.
If you add them up, you will get the total of 3,521,456. Now subtract 3,521,448 to get 8,401,752