13221140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10837}}^1$

素因数の和:10907

約数の個数: 24

約数和(自身を含む): 28222152

約数和(自身を除く): 15001012

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10837, 21674, 43348, 54185, 108370, 216740, 661057, 1322114, 2644228, 3305285, 6610570, 13221140]

約数ペア:

[(1, 13221140), (2, 6610570), (4, 3305285), (5, 2644228), (10, 1322114), (20, 661057), (61, 216740), (122, 108370), (244, 54185), (305, 43348), (610, 21674), (1220, 10837)]