21771588

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42193}}^1$

素因数の和:42243

約数の個数: 24

約数和(自身を含む): 51983008

約数和(自身を除く): 30211420

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42193, 84386, 126579, 168772, 253158, 506316, 1814299, 3628598, 5442897, 7257196, 10885794, 21771588]

約数ペア:

[(1, 21771588), (2, 10885794), (3, 7257196), (4, 5442897), (6, 3628598), (12, 1814299), (43, 506316), (86, 253158), (129, 168772), (172, 126579), (258, 84386), (516, 42193)]