21886256

素因数分解:

$2^4\times 7^1\times {\mathrm{195413}}^1$

素因数の和:195428

約数の個数: 20

約数和(自身を含む): 48462672

約数和(自身を除く): 26576416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195413, 390826, 781652, 1367891, 1563304, 2735782, 3126608, 5471564, 10943128, 21886256]

約数ペア:

[(1, 21886256), (2, 10943128), (4, 5471564), (7, 3126608), (8, 2735782), (14, 1563304), (16, 1367891), (28, 781652), (56, 390826), (112, 195413)]