21367016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242807}}^1$

素因数の和:242824

約数の個数: 16

約数和(自身を含む): 43705440

約数和(自身を除く): 22338424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242807, 485614, 971228, 1942456, 2670877, 5341754, 10683508, 21367016]

約数ペア:

[(1, 21367016), (2, 10683508), (4, 5341754), (8, 2670877), (11, 1942456), (22, 971228), (44, 485614), (88, 242807)]