21884291

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3559}}^1$

素因数の和:3626

約数の個数: 16

約数和(自身を含む): 26315520

約数和(自身を除く): 4431229

約数列:

[1, 11, 13, 43, 143, 473, 559, 3559, 6149, 39149, 46267, 153037, 508937, 1683407, 1989481, 21884291]

約数ペア:

[(1, 21884291), (11, 1989481), (13, 1683407), (43, 508937), (143, 153037), (473, 46267), (559, 39149), (3559, 6149)]