21271826

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2837}}^1$

素因数の和:3025

約数の個数: 16

約数和(自身を含む): 33511104

約数和(自身を除く): 12239278

約数列:

[1, 2, 23, 46, 163, 326, 2837, 3749, 5674, 7498, 65251, 130502, 462431, 924862, 10635913, 21271826]

約数ペア:

[(1, 21271826), (2, 10635913), (23, 924862), (46, 462431), (163, 130502), (326, 65251), (2837, 7498), (3749, 5674)]