21189700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30271}}^1$

素因数の和:30292

約数の個数: 36

約数和(自身を含む): 52552192

約数和(自身を除く): 31362492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30271, 60542, 121084, 151355, 211897, 302710, 423794, 605420, 756775, 847588, 1059485, 1513550, 2118970, 3027100, 4237940, 5297425, 10594850, 21189700]

約数ペア:

[(1, 21189700), (2, 10594850), (4, 5297425), (5, 4237940), (7, 3027100), (10, 2118970), (14, 1513550), (20, 1059485), (25, 847588), (28, 756775), (35, 605420), (50, 423794), (70, 302710), (100, 211897), (140, 151355), (175, 121084), (350, 60542), (700, 30271)]