21870170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44633}}^1$

素因数の和:44654

約数の個数: 24

約数和(自身を含む): 45794484

約数和(自身を除く): 23924314

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44633, 89266, 223165, 312431, 446330, 624862, 1562155, 2187017, 3124310, 4374034, 10935085, 21870170]

約数ペア:

[(1, 21870170), (2, 10935085), (5, 4374034), (7, 3124310), (10, 2187017), (14, 1562155), (35, 624862), (49, 446330), (70, 312431), (98, 223165), (245, 89266), (490, 44633)]