21031818

素因数分解:

$2^1\times 3^1\times {\mathrm{229}}^1\times {\mathrm{15307}}^1$

素因数の和:15541

約数の個数: 16

約数和(自身を含む): 42250080

約数和(自身を除く): 21218262

約数列:

[1, 2, 3, 6, 229, 458, 687, 1374, 15307, 30614, 45921, 91842, 3505303, 7010606, 10515909, 21031818]

約数ペア:

[(1, 21031818), (2, 10515909), (3, 7010606), (6, 3505303), (229, 91842), (458, 45921), (687, 30614), (1374, 15307)]