21000377044

素因数分解:

$2^2\times {\mathrm{3701}}^1\times {\mathrm{1418561}}^1$

素因数の和:1422266

約数の個数: 12

約数和(自身を含む): 36760615668

約数和(自身を除く): 15760238624

約数列:

[1, 2, 4, 3701, 7402, 14804, 1418561, 2837122, 5674244, 5250094261, 10500188522, 21000377044]

約数ペア:

[(1, 21000377044), (2, 10500188522), (4, 5250094261), (3701, 5674244), (7402, 2837122), (14804, 1418561)]