21016213

素因数分解:

${\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:332

約数の個数: 16

約数和(自身を含む): 22550400

約数和(自身を除く): 1534187

約数列:

[1, 29, 59, 71, 173, 1711, 2059, 4189, 5017, 10207, 12283, 121481, 296003, 356207, 724697, 21016213]

約数ペア:

[(1, 21016213), (29, 724697), (59, 356207), (71, 296003), (173, 121481), (1711, 12283), (2059, 10207), (4189, 5017)]