21197224

素因数分解:

$2^3\times {\mathrm{1193}}^1\times {\mathrm{2221}}^1$

素因数の和:3420

約数の個数: 16

約数和(自身を含む): 39796020

約数和(自身を除く): 18598796

約数列:

[1, 2, 4, 8, 1193, 2221, 2386, 4442, 4772, 8884, 9544, 17768, 2649653, 5299306, 10598612, 21197224]

約数ペア:

[(1, 21197224), (2, 10598612), (4, 5299306), (8, 2649653), (1193, 17768), (2221, 9544), (2386, 8884), (4442, 4772)]