21125216

素因数分解:

$2^5\times 7^1\times {\mathrm{94309}}^1$

素因数の和:94326

約数の個数: 24

約数和(自身を含む): 47532240

約数和(自身を除く): 26407024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94309, 188618, 377236, 660163, 754472, 1320326, 1508944, 2640652, 3017888, 5281304, 10562608, 21125216]

約数ペア:

[(1, 21125216), (2, 10562608), (4, 5281304), (7, 3017888), (8, 2640652), (14, 1508944), (16, 1320326), (28, 754472), (32, 660163), (56, 377236), (112, 188618), (224, 94309)]