21529665

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1579}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 38678400

約数和(自身を除く): 17148735

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1515, 1579, 2727, 4545, 4737, 7895, 13635, 14211, 23685, 42633, 71055, 159479, 213165, 478437, 797395, 1435311, 2392185, 4305933, 7176555, 21529665]

約数ペア:

[(1, 21529665), (3, 7176555), (5, 4305933), (9, 2392185), (15, 1435311), (27, 797395), (45, 478437), (101, 213165), (135, 159479), (303, 71055), (505, 42633), (909, 23685), (1515, 14211), (1579, 13635), (2727, 7895), (4545, 4737)]