21218092

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17623}}^1$

素因数の和:17677

約数の個数: 24

約数和(自身を含む): 43425536

約数和(自身を除く): 22207444

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17623, 35246, 70492, 123361, 246722, 493444, 757789, 1515578, 3031156, 5304523, 10609046, 21218092]

約数ペア:

[(1, 21218092), (2, 10609046), (4, 5304523), (7, 3031156), (14, 1515578), (28, 757789), (43, 493444), (86, 246722), (172, 123361), (301, 70492), (602, 35246), (1204, 17623)]