21573866

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1429

約数の個数: 16

約数和(自身を含む): 33121440

約数和(自身を除く): 11547574

約数列:

[1, 2, 67, 131, 134, 262, 1229, 2458, 8777, 17554, 82343, 160999, 164686, 321998, 10786933, 21573866]

約数ペア:

[(1, 21573866), (2, 10786933), (67, 321998), (131, 164686), (134, 160999), (262, 82343), (1229, 17554), (2458, 8777)]