21567040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{557}}^1$

素因数の和:596

約数の個数: 84

約数和(自身を含む): 56551068

約数和(自身を除く): 34984028

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 557, 605, 704, 880, 968, 1114, 1210, 1760, 1936, 2228, 2420, 2785, 3520, 3872, 4456, 4840, 5570, 6127, 7744, 8912, 9680, 11140, 12254, 17824, 19360, 22280, 24508, 30635, 35648, 38720, 44560, 49016, 61270, 67397, 89120, 98032, 122540, 134794, 178240, 196064, 245080, 269588, 336985, 392128, 490160, 539176, 673970, 980320, 1078352, 1347940, 1960640, 2156704, 2695880, 4313408, 5391760, 10783520, 21567040]

約数ペア:

[(1, 21567040), (2, 10783520), (4, 5391760), (5, 4313408), (8, 2695880), (10, 2156704), (11, 1960640), (16, 1347940), (20, 1078352), (22, 980320), (32, 673970), (40, 539176), (44, 490160), (55, 392128), (64, 336985), (80, 269588), (88, 245080), (110, 196064), (121, 178240), (160, 134794), (176, 122540), (220, 98032), (242, 89120), (320, 67397), (352, 61270), (440, 49016), (484, 44560), (557, 38720), (605, 35648), (704, 30635), (880, 24508), (968, 22280), (1114, 19360), (1210, 17824), (1760, 12254), (1936, 11140), (2228, 9680), (2420, 8912), (2785, 7744), (3520, 6127), (3872, 5570), (4456, 4840)]