21731307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29327}}^1$

素因数の和:29362

約数の個数: 16

約数和(自身を含む): 32847360

約数和(自身を除く): 11116053

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 29327, 87981, 381251, 557213, 1143753, 1671639, 7243769, 21731307]

約数ペア:

[(1, 21731307), (3, 7243769), (13, 1671639), (19, 1143753), (39, 557213), (57, 381251), (247, 87981), (741, 29327)]