21000446956

素因数分解:

$2^2\times {\mathrm{977}}^1\times {\mathrm{5373707}}^1$

素因数の和:5374688

約数の個数: 12

約数和(自身を含む): 36788404968

約数和(自身を除く): 15787958012

約数列:

[1, 2, 4, 977, 1954, 3908, 5373707, 10747414, 21494828, 5250111739, 10500223478, 21000446956]

約数ペア:

[(1, 21000446956), (2, 10500223478), (4, 5250111739), (977, 21494828), (1954, 10747414), (3908, 5373707)]