21158962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7573}}^1$

素因数の和:7713

約数の個数: 16

約数和(自身を含む): 34900992

約数和(自身を除く): 13742030

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7573, 15146, 83303, 166606, 961771, 1923542, 10579481, 21158962]

約数ペア:

[(1, 21158962), (2, 10579481), (11, 1923542), (22, 961771), (127, 166606), (254, 83303), (1397, 15146), (2794, 7573)]