21325759

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8081}}^1$

素因数の和:8130

約数の個数: 16

約数和(自身を含む): 27155520

約数和(自身を除く): 5829761

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 8081, 56567, 105053, 234349, 735371, 1640443, 3046537, 21325759]

約数ペア:

[(1, 21325759), (7, 3046537), (13, 1640443), (29, 735371), (91, 234349), (203, 105053), (377, 56567), (2639, 8081)]