21284396

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1693}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 42688800

約数和(自身を除く): 21404404

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1693, 1796, 3143, 3386, 6286, 6772, 11851, 12572, 23702, 47404, 760157, 1520314, 3040628, 5321099, 10642198, 21284396]

約数ペア:

[(1, 21284396), (2, 10642198), (4, 5321099), (7, 3040628), (14, 1520314), (28, 760157), (449, 47404), (898, 23702), (1693, 12572), (1796, 11851), (3143, 6772), (3386, 6286)]