21059522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2221}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 34556544

約数和(自身を除く): 13497022

約数列:

[1, 2, 11, 22, 431, 862, 2221, 4442, 4741, 9482, 24431, 48862, 957251, 1914502, 10529761, 21059522]

約数ペア:

[(1, 21059522), (2, 10529761), (11, 1914502), (22, 957251), (431, 48862), (862, 24431), (2221, 9482), (4442, 4741)]