21202576

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32321}}^1$

素因数の和:32370

約数の個数: 20

約数和(自身を含む): 42083244

約数和(自身を除く): 20880668

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32321, 64642, 129284, 258568, 517136, 1325161, 2650322, 5300644, 10601288, 21202576]

約数ペア:

[(1, 21202576), (2, 10601288), (4, 5300644), (8, 2650322), (16, 1325161), (41, 517136), (82, 258568), (164, 129284), (328, 64642), (656, 32321)]