21052886

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1069}}^1$

素因数の和:1343

約数の個数: 16

約数和(自身を含む): 32485200

約数和(自身を除く): 11432314

約数列:

[1, 2, 43, 86, 229, 458, 1069, 2138, 9847, 19694, 45967, 91934, 244801, 489602, 10526443, 21052886]

約数ペア:

[(1, 21052886), (2, 10526443), (43, 489602), (86, 244801), (229, 91934), (458, 45967), (1069, 19694), (2138, 9847)]