21009599

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1409}}^1$

素因数の和:1490

約数の個数: 16

約数和(自身を含む): 24003840

約数和(自身を除く): 2994241

約数列:

[1, 13, 31, 37, 403, 481, 1147, 1409, 14911, 18317, 43679, 52133, 567827, 677729, 1616123, 21009599]

約数ペア:

[(1, 21009599), (13, 1616123), (31, 677729), (37, 567827), (403, 52133), (481, 43679), (1147, 18317), (1409, 14911)]