12921238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1123}}^1$

素因数の和:1659

約数の個数: 16

約数和(自身を含む): 21203136

約数和(自身を除く): 8281898

約数列:

[1, 2, 11, 22, 523, 1046, 1123, 2246, 5753, 11506, 12353, 24706, 587329, 1174658, 6460619, 12921238]

約数ペア:

[(1, 12921238), (2, 6460619), (11, 1174658), (22, 587329), (523, 24706), (1046, 12353), (1123, 11506), (2246, 5753)]