21328212

素因数分解:

$2^2\times 3^1\times {\mathrm{1777351}}^1$

素因数の和:1777358

約数の個数: 12

約数和(自身を含む): 49765856

約数和(自身を除く): 28437644

約数列:

[1, 2, 3, 4, 6, 12, 1777351, 3554702, 5332053, 7109404, 10664106, 21328212]

約数ペア:

[(1, 21328212), (2, 10664106), (3, 7109404), (4, 5332053), (6, 3554702), (12, 1777351)]