The factors of the number 21,531,510 are: 1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 30, 33, 35, 39, 42, 45, 55, 63, 65, 66, 70, 77, 78, 90, 91, 99, 105, 110, 117, 126, 130, 143, 154, 165, 182, 195, 198, 210, 231, 234, 239, 273, 286, 315, 330, 385, 390, 429, 455, 462, 478, 495, 546, 585, 630, 693, 715, 717, 770, 819, 858, 910, 990, 1001, 1155, 1170, 1195, 1287, 1365, 1386, 1430, 1434, 1638, 1673, 2002, 2145, 2151, 2310, 2390, 2574, 2629, 2730, 3003, 3107, 3346, 3465, 3585, 4095, 4290, 4302, 5005, 5019, 5258, 6006, 6214, 6435, 6930, 7170, 7887, 8190, 8365, 9009, 9321, 10010, 10038, 10755, 12870, 13145, 15015, 15057, 15535, 15774, 16730, 18018, 18403, 18642, 21510, 21749, 23661, 25095, 26290, 27963, 30030, 30114, 31070, 34177, 36806, 39435, 43498, 45045, 46605, 47322, 50190, 55209, 55926, 65247, 68354, 75285, 78870, 90090, 92015, 93210, 102531, 108745, 110418, 118305, 130494, 139815, 150570, 165627, 170885, 184030, 195741, 205062, 217490, 236610, 239239, 276045, 279630, 307593, 326235, 331254, 341770, 391482, 478478, 512655, 552090, 615186, 652470, 717717, 828135, 978705, 1025310, 1196195, 1435434, 1537965, 1656270, 1957410, 2153151, 2392390, 3075930, 3588585, 4306302, 7177170, 10765755, 21531510.
If you add them up, you will get the total of 21,531,563. Now subtract 21,531,510 to get 53,947,530