21350656

素因数分解:

$2^8\times {\mathrm{83401}}^1$

素因数の和:83417

約数の個数: 18

約数和(自身を含む): 42618422

約数和(自身を除く): 21267766

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83401, 166802, 333604, 667208, 1334416, 2668832, 5337664, 10675328, 21350656]

約数ペア:

[(1, 21350656), (2, 10675328), (4, 5337664), (8, 2668832), (16, 1334416), (32, 667208), (64, 333604), (128, 166802), (256, 83401)]