21946220

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2477}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 46209744

約数和(自身を除く): 24263524

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 2477, 4430, 4954, 8860, 9908, 12385, 24770, 49540, 1097311, 2194622, 4389244, 5486555, 10973110, 21946220]

約数ペア:

[(1, 21946220), (2, 10973110), (4, 5486555), (5, 4389244), (10, 2194622), (20, 1097311), (443, 49540), (886, 24770), (1772, 12385), (2215, 9908), (2477, 8860), (4430, 4954)]