21766352

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{1657}}^1$

素因数の和:2486

約数の個数: 20

約数和(自身を含む): 42249156

約数和(自身を除く): 20482804

約数列:

[1, 2, 4, 8, 16, 821, 1642, 1657, 3284, 3314, 6568, 6628, 13136, 13256, 26512, 1360397, 2720794, 5441588, 10883176, 21766352]

約数ペア:

[(1, 21766352), (2, 10883176), (4, 5441588), (8, 2720794), (16, 1360397), (821, 26512), (1642, 13256), (1657, 13136), (3284, 6628), (3314, 6568)]