The factors of the number 21,440,160 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 709, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1418, 1440, 1512, 1680, 1890, 2016, 2127, 2160, 2520, 2836, 3024, 3360, 3545, 3780, 4254, 4320, 4963, 5040, 5672, 6048, 6381, 7090, 7560, 8508, 9926, 10080, 10635, 11344, 12762, 14180, 14889, 15120, 17016, 19143, 19852, 21270, 22688, 24815, 25524, 28360, 29778, 30240, 31905, 34032, 38286, 39704, 42540, 44667, 49630, 51048, 56720, 59556, 63810, 68064, 74445, 76572, 79408, 85080, 89334, 95715, 99260, 102096, 113440, 119112, 127620, 134001, 148890, 153144, 158816, 170160, 178668, 191430, 198520, 204192, 223335, 238224, 255240, 268002, 297780, 306288, 340320, 357336, 382860, 397040, 446670, 476448, 510480, 536004, 595560, 612576, 670005, 714672, 765720, 794080, 893340, 1020960, 1072008, 1191120, 1340010, 1429344, 1531440, 1786680, 2144016, 2382240, 2680020, 3062880, 3573360, 4288032, 5360040, 7146720, 10720080, 21440160.
If you add them up, you will get the total of 21,440,224. Now subtract 21,440,160 to get 64,441,440