21927710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16487}}^1$

素因数の和:16520

約数の個数: 32

約数和(自身を含む): 47485440

約数和(自身を除く): 25557730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16487, 32974, 82435, 115409, 164870, 230818, 313253, 577045, 626506, 1154090, 1566265, 2192771, 3132530, 4385542, 10963855, 21927710]

約数ペア:

[(1, 21927710), (2, 10963855), (5, 4385542), (7, 3132530), (10, 2192771), (14, 1566265), (19, 1154090), (35, 626506), (38, 577045), (70, 313253), (95, 230818), (133, 164870), (190, 115409), (266, 82435), (665, 32974), (1330, 16487)]