21557014

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1\times {\mathrm{557}}^1$

素因数の和:1119

約数の個数: 16

約数和(自身を含む): 33332688

約数和(自身を除く): 11775674

約数列:

[1, 2, 37, 74, 523, 557, 1046, 1114, 19351, 20609, 38702, 41218, 291311, 582622, 10778507, 21557014]

約数ペア:

[(1, 21557014), (2, 10778507), (37, 582622), (74, 291311), (523, 41218), (557, 38702), (1046, 20609), (1114, 19351)]