21060693730

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12920671}}^1$

素因数の和:12920841

約数の個数: 16

約数和(自身を含む): 38141823744

約数和(自身を除く): 17081130014

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 12920671, 25841342, 64603355, 129206710, 2106069373, 4212138746, 10530346865, 21060693730]

約数ペア:

[(1, 21060693730), (2, 10530346865), (5, 4212138746), (10, 2106069373), (163, 129206710), (326, 64603355), (815, 25841342), (1630, 12920671)]