21000279819

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{516193}}^1$

素因数の和:516458

約数の個数: 16

約数和(自身を含む): 28543463424

約数和(自身を除く): 7543183605

約数列:

[1, 3, 71, 191, 213, 573, 13561, 40683, 516193, 1548579, 36649703, 98592863, 109949109, 295778589, 7000093273, 21000279819]

約数ペア:

[(1, 21000279819), (3, 7000093273), (71, 295778589), (191, 109949109), (213, 98592863), (573, 36649703), (13561, 1548579), (40683, 516193)]