21553216

素因数分解:

$2^6\times {\mathrm{336769}}^1$

素因数の和:336781

約数の個数: 14

約数和(自身を含む): 42769790

約数和(自身を除く): 21216574

約数列:

[1, 2, 4, 8, 16, 32, 64, 336769, 673538, 1347076, 2694152, 5388304, 10776608, 21553216]

約数ペア:

[(1, 21553216), (2, 10776608), (4, 5388304), (8, 2694152), (16, 1347076), (32, 673538), (64, 336769)]