21164475

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9103}}^1$

素因数の和:9147

約数の個数: 24

約数和(自身を含む): 36124672

約数和(自身を除く): 14960197

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 9103, 27309, 45515, 136545, 227575, 282193, 682725, 846579, 1410965, 4232895, 7054825, 21164475]

約数ペア:

[(1, 21164475), (3, 7054825), (5, 4232895), (15, 1410965), (25, 846579), (31, 682725), (75, 282193), (93, 227575), (155, 136545), (465, 45515), (775, 27309), (2325, 9103)]