21913762

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 36966384

約数和(自身を除く): 15052622

約数列:

[1, 2, 13, 26, 41, 61, 82, 122, 337, 533, 674, 793, 1066, 1586, 2501, 4381, 5002, 8762, 13817, 20557, 27634, 32513, 41114, 65026, 179621, 267241, 359242, 534482, 842837, 1685674, 10956881, 21913762]

約数ペア:

[(1, 21913762), (2, 10956881), (13, 1685674), (26, 842837), (41, 534482), (61, 359242), (82, 267241), (122, 179621), (337, 65026), (533, 41114), (674, 32513), (793, 27634), (1066, 20557), (1586, 13817), (2501, 8762), (4381, 5002)]