21262289684

素因数分解:

$2^2\times {\mathrm{659}}^1\times {\mathrm{1499}}^1\times {\mathrm{5381}}^1$

素因数の和:7543

約数の個数: 24

約数和(自身を含む): 37297260000

約数和(自身を除く): 16034970316

約数列:

[1, 2, 4, 659, 1318, 1499, 2636, 2998, 5381, 5996, 10762, 21524, 987841, 1975682, 3546079, 3951364, 7092158, 8066119, 14184316, 16132238, 32264476, 5315572421, 10631144842, 21262289684]

約数ペア:

[(1, 21262289684), (2, 10631144842), (4, 5315572421), (659, 32264476), (1318, 16132238), (1499, 14184316), (2636, 8066119), (2998, 7092158), (5381, 3951364), (5996, 3546079), (10762, 1975682), (21524, 987841)]