21080772

素因数分解:

$2^2\times 3^2\times {\mathrm{585577}}^1$

素因数の和:585587

約数の個数: 18

約数和(自身を含む): 53287598

約数和(自身を除く): 32206826

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585577, 1171154, 1756731, 2342308, 3513462, 5270193, 7026924, 10540386, 21080772]

約数ペア:

[(1, 21080772), (2, 10540386), (3, 7026924), (4, 5270193), (6, 3513462), (9, 2342308), (12, 1756731), (18, 1171154), (36, 585577)]