21816448

素因数分解:

$2^7\times {\mathrm{170441}}^1$

素因数の和:170455

約数の個数: 16

約数和(自身を含む): 43462710

約数和(自身を除く): 21646262

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 170441, 340882, 681764, 1363528, 2727056, 5454112, 10908224, 21816448]

約数ペア:

[(1, 21816448), (2, 10908224), (4, 5454112), (8, 2727056), (16, 1363528), (32, 681764), (64, 340882), (128, 170441)]