21095112

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20441}}^1$

素因数の和:20493

約数の個数: 32

約数和(自身を含む): 53966880

約数和(自身を除く): 32871768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20441, 40882, 61323, 81764, 122646, 163528, 245292, 490584, 878963, 1757926, 2636889, 3515852, 5273778, 7031704, 10547556, 21095112]

約数ペア:

[(1, 21095112), (2, 10547556), (3, 7031704), (4, 5273778), (6, 3515852), (8, 2636889), (12, 1757926), (24, 878963), (43, 490584), (86, 245292), (129, 163528), (172, 122646), (258, 81764), (344, 61323), (516, 40882), (1032, 20441)]