21666512

素因数分解:

$2^4\times 7^1\times {\mathrm{193451}}^1$

素因数の和:193466

約数の個数: 20

約数和(自身を含む): 47976096

約数和(自身を除く): 26309584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193451, 386902, 773804, 1354157, 1547608, 2708314, 3095216, 5416628, 10833256, 21666512]

約数ペア:

[(1, 21666512), (2, 10833256), (4, 5416628), (7, 3095216), (8, 2708314), (14, 1547608), (16, 1354157), (28, 773804), (56, 386902), (112, 193451)]