21670337

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 3005503

約数列:

[1, 13, 29, 47, 377, 611, 1223, 1363, 15899, 17719, 35467, 57481, 461071, 747253, 1666949, 21670337]

約数ペア:

[(1, 21670337), (13, 1666949), (29, 747253), (47, 461071), (377, 57481), (611, 35467), (1223, 17719), (1363, 15899)]