21877636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3167}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 42045696

約数和(自身を除く): 20168060

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3167, 3454, 6334, 6908, 12668, 34837, 69674, 139348, 497219, 994438, 1988876, 5469409, 10938818, 21877636]

約数ペア:

[(1, 21877636), (2, 10938818), (4, 5469409), (11, 1988876), (22, 994438), (44, 497219), (157, 139348), (314, 69674), (628, 34837), (1727, 12668), (3167, 6908), (3454, 6334)]