21110007

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2069}}^1$

素因数の和:2270

約数の個数: 16

約数和(自身を含む): 29808000

約数和(自身を除く): 8697993

約数列:

[1, 3, 19, 57, 179, 537, 2069, 3401, 6207, 10203, 39311, 117933, 370351, 1111053, 7036669, 21110007]

約数ペア:

[(1, 21110007), (3, 7036669), (19, 1111053), (57, 370351), (179, 117933), (537, 39311), (2069, 10203), (3401, 6207)]