21260170

素因数分解:

$2^1\times 5^1\times {\mathrm{2126017}}^1$

素因数の和:2126024

約数の個数: 8

約数和(自身を含む): 38268324

約数和(自身を除く): 17008154

約数列:

[1, 2, 5, 10, 2126017, 4252034, 10630085, 21260170]

約数ペア:

[(1, 21260170), (2, 10630085), (5, 4252034), (10, 2126017)]