21356768

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21529}}^1$

素因数の和:21570

約数の個数: 24

約数和(自身を含む): 43404480

約数和(自身を除く): 22047712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21529, 43058, 86116, 172232, 344464, 667399, 688928, 1334798, 2669596, 5339192, 10678384, 21356768]

約数ペア:

[(1, 21356768), (2, 10678384), (4, 5339192), (8, 2669596), (16, 1334798), (31, 688928), (32, 667399), (62, 344464), (124, 172232), (248, 86116), (496, 43058), (992, 21529)]