21346510

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1669}}^1$

素因数の和:2955

約数の個数: 16

約数和(自身を含む): 38476800

約数和(自身を除く): 17130290

約数列:

[1, 2, 5, 10, 1279, 1669, 2558, 3338, 6395, 8345, 12790, 16690, 2134651, 4269302, 10673255, 21346510]

約数ペア:

[(1, 21346510), (2, 10673255), (5, 4269302), (10, 2134651), (1279, 16690), (1669, 12790), (2558, 8345), (3338, 6395)]