201421851715

素因数分解:

$5^1\times 7^2\times {\mathrm{822130007}}^1$

素因数の和:822130026

約数の個数: 12

約数和(自身を含む): 281168462736

約数和(自身を除く): 79746611021

約数列:

[1, 5, 7, 35, 49, 245, 822130007, 4110650035, 5754910049, 28774550245, 40284370343, 201421851715]

約数ペア:

[(1, 201421851715), (5, 40284370343), (7, 28774550245), (35, 5754910049), (49, 4110650035), (245, 822130007)]