21975850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33809}}^1$

素因数の和:33834

約数の個数: 24

約数和(自身を含む): 44020620

約数和(自身を除く): 22044770

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33809, 67618, 169045, 338090, 439517, 845225, 879034, 1690450, 2197585, 4395170, 10987925, 21975850]

約数ペア:

[(1, 21975850), (2, 10987925), (5, 4395170), (10, 2197585), (13, 1690450), (25, 879034), (26, 845225), (50, 439517), (65, 338090), (130, 169045), (325, 67618), (650, 33809)]