21710510

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35591}}^1$

素因数の和:35659

約数の個数: 16

約数和(自身を含む): 39720672

約数和(自身を除く): 18010162

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 35591, 71182, 177955, 355910, 2171051, 4342102, 10855255, 21710510]

約数ペア:

[(1, 21710510), (2, 10855255), (5, 4342102), (10, 2171051), (61, 355910), (122, 177955), (305, 71182), (610, 35591)]