21680106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{516193}}^1$

素因数の和:516205

約数の個数: 16

約数和(自身を含む): 49554624

約数和(自身を除く): 27874518

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 516193, 1032386, 1548579, 3097158, 3613351, 7226702, 10840053, 21680106]

約数ペア:

[(1, 21680106), (2, 10840053), (3, 7226702), (6, 3613351), (7, 3097158), (14, 1548579), (21, 1032386), (42, 516193)]