21707590

素因数分解:

$2^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1933}}^1$

素因数の和:3063

約数の個数: 16

約数和(自身を含む): 39128688

約数和(自身を除く): 17421098

約数列:

[1, 2, 5, 10, 1123, 1933, 2246, 3866, 5615, 9665, 11230, 19330, 2170759, 4341518, 10853795, 21707590]

約数ペア:

[(1, 21707590), (2, 10853795), (5, 4341518), (10, 2170759), (1123, 19330), (1933, 11230), (2246, 9665), (3866, 5615)]