21589238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7727}}^1$

素因数の和:7867

約数の個数: 16

約数和(自身を含む): 35610624

約数和(自身を除く): 14021386

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7727, 15454, 84997, 169994, 981329, 1962658, 10794619, 21589238]

約数ペア:

[(1, 21589238), (2, 10794619), (11, 1962658), (22, 981329), (127, 169994), (254, 84997), (1397, 15454), (2794, 7727)]