21958455430

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9846841}}^1$

素因数の和:9847071

約数の個数: 16

約数和(自身を含む): 39702466944

約数和(自身を除く): 17744011514

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9846841, 19693682, 49234205, 98468410, 2195845543, 4391691086, 10979227715, 21958455430]

約数ペア:

[(1, 21958455430), (2, 10979227715), (5, 4391691086), (10, 2195845543), (223, 98468410), (446, 49234205), (1115, 19693682), (2230, 9846841)]