21050930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123829}}^1$

素因数の和:123853

約数の個数: 16

約数和(自身を含む): 40120920

約数和(自身を除く): 19069990

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123829, 247658, 619145, 1238290, 2105093, 4210186, 10525465, 21050930]

約数ペア:

[(1, 21050930), (2, 10525465), (5, 4210186), (10, 2105093), (17, 1238290), (34, 619145), (85, 247658), (170, 123829)]