21869824

素因数分解:

$2^8\times {\mathrm{85429}}^1$

素因数の和:85445

約数の個数: 18

約数和(自身を含む): 43654730

約数和(自身を除く): 21784906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85429, 170858, 341716, 683432, 1366864, 2733728, 5467456, 10934912, 21869824]

約数ペア:

[(1, 21869824), (2, 10934912), (4, 5467456), (8, 2733728), (16, 1366864), (32, 683432), (64, 341716), (128, 170858), (256, 85429)]