21568244548

素因数分解:

$2^2\times {\mathrm{937}}^1\times {\mathrm{1109}}^1\times {\mathrm{5189}}^1$

素因数の和:7239

約数の個数: 24

約数和(自身を含む): 37826069400

約数和(自身を除く): 16257824852

約数列:

[1, 2, 4, 937, 1109, 1874, 2218, 3748, 4436, 5189, 10378, 20756, 1039133, 2078266, 4156532, 4862093, 5754601, 9724186, 11509202, 19448372, 23018404, 5392061137, 10784122274, 21568244548]

約数ペア:

[(1, 21568244548), (2, 10784122274), (4, 5392061137), (937, 23018404), (1109, 19448372), (1874, 11509202), (2218, 9724186), (3748, 5754601), (4436, 4862093), (5189, 4156532), (10378, 2078266), (20756, 1039133)]