21702081

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2351}}^1$

素因数の和:2552

約数の個数: 16

約数和(自身を含む): 30820608

約数和(自身を除く): 9118527

約数列:

[1, 3, 17, 51, 181, 543, 2351, 3077, 7053, 9231, 39967, 119901, 425531, 1276593, 7234027, 21702081]

約数ペア:

[(1, 21702081), (3, 7234027), (17, 1276593), (51, 425531), (181, 119901), (543, 39967), (2351, 9231), (3077, 7053)]