21096020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95891}}^1$

素因数の和:95911

約数の個数: 24

約数和(自身を含む): 48329568

約数和(自身を除く): 27233548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95891, 191782, 383564, 479455, 958910, 1054801, 1917820, 2109602, 4219204, 5274005, 10548010, 21096020]

約数ペア:

[(1, 21096020), (2, 10548010), (4, 5274005), (5, 4219204), (10, 2109602), (11, 1917820), (20, 1054801), (22, 958910), (44, 479455), (55, 383564), (110, 191782), (220, 95891)]