21927550

素因数分解:

$2^1\times 5^2\times {\mathrm{438551}}^1$

素因数の和:438563

約数の個数: 12

約数和(自身を含む): 40785336

約数和(自身を除く): 18857786

約数列:

[1, 2, 5, 10, 25, 50, 438551, 877102, 2192755, 4385510, 10963775, 21927550]

約数ペア:

[(1, 21927550), (2, 10963775), (5, 4385510), (10, 2192755), (25, 877102), (50, 438551)]