21031656

素因数分解:

$2^3\times 3^1\times {\mathrm{359}}^1\times {\mathrm{2441}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 52747200

約数和(自身を除く): 31715544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 359, 718, 1077, 1436, 2154, 2441, 2872, 4308, 4882, 7323, 8616, 9764, 14646, 19528, 29292, 58584, 876319, 1752638, 2628957, 3505276, 5257914, 7010552, 10515828, 21031656]

約数ペア:

[(1, 21031656), (2, 10515828), (3, 7010552), (4, 5257914), (6, 3505276), (8, 2628957), (12, 1752638), (24, 876319), (359, 58584), (718, 29292), (1077, 19528), (1436, 14646), (2154, 9764), (2441, 8616), (2872, 7323), (4308, 4882)]