21081282

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{229}}^2$

素因数の和:530

約数の個数: 24

約数和(自身を含む): 42979536

約数和(自身を除く): 21898254

約数列:

[1, 2, 3, 6, 67, 134, 201, 229, 402, 458, 687, 1374, 15343, 30686, 46029, 52441, 92058, 104882, 157323, 314646, 3513547, 7027094, 10540641, 21081282]

約数ペア:

[(1, 21081282), (2, 10540641), (3, 7027094), (6, 3513547), (67, 314646), (134, 157323), (201, 104882), (229, 92058), (402, 52441), (458, 46029), (687, 30686), (1374, 15343)]