21551149016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{24733}}^1$

素因数の和:24948

約数の個数: 64

約数和(自身を含む): 44075988000

約数和(自身を除く): 22524838984

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 149, 172, 298, 344, 596, 731, 1192, 1462, 2533, 2924, 5066, 5848, 6407, 10132, 12814, 20264, 24733, 25628, 49466, 51256, 98932, 108919, 197864, 217838, 420461, 435676, 840922, 871352, 1063519, 1681844, 2127038, 3363688, 3685217, 4254076, 7370434, 8508152, 14740868, 18079823, 29481736, 36159646, 62648689, 72319292, 125297378, 144638584, 158464331, 250594756, 316928662, 501189512, 633857324, 1267714648, 2693893627, 5387787254, 10775574508, 21551149016]

約数ペア:

[(1, 21551149016), (2, 10775574508), (4, 5387787254), (8, 2693893627), (17, 1267714648), (34, 633857324), (43, 501189512), (68, 316928662), (86, 250594756), (136, 158464331), (149, 144638584), (172, 125297378), (298, 72319292), (344, 62648689), (596, 36159646), (731, 29481736), (1192, 18079823), (1462, 14740868), (2533, 8508152), (2924, 7370434), (5066, 4254076), (5848, 3685217), (6407, 3363688), (10132, 2127038), (12814, 1681844), (20264, 1063519), (24733, 871352), (25628, 840922), (49466, 435676), (51256, 420461), (98932, 217838), (108919, 197864)]