21909074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{1471}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 35928576

約数和(自身を除く): 14019502

約数列:

[1, 2, 11, 22, 677, 1354, 1471, 2942, 7447, 14894, 16181, 32362, 995867, 1991734, 10954537, 21909074]

約数ペア:

[(1, 21909074), (2, 10954537), (11, 1991734), (22, 995867), (677, 32362), (1354, 16181), (1471, 14894), (2942, 7447)]