21134906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4987}}^1$

素因数の和:5165

約数の個数: 16

約数和(自身を含む): 34357344

約数和(自身を除く): 13222438

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4987, 9974, 64831, 129662, 812881, 1625762, 10567453, 21134906]

約数ペア:

[(1, 21134906), (2, 10567453), (13, 1625762), (26, 812881), (163, 129662), (326, 64831), (2119, 9974), (4238, 4987)]