21606656

素因数分解:

$2^8\times {\mathrm{84401}}^1$

素因数の和:84417

約数の個数: 18

約数和(自身を含む): 43129422

約数和(自身を除く): 21522766

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84401, 168802, 337604, 675208, 1350416, 2700832, 5401664, 10803328, 21606656]

約数ペア:

[(1, 21606656), (2, 10803328), (4, 5401664), (8, 2700832), (16, 1350416), (32, 675208), (64, 337604), (128, 168802), (256, 84401)]