21345888970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{304941271}}^1$

素因数の和:304941285

約数の個数: 16

約数和(自身を含む): 43911543168

約数和(自身を除く): 22565654198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 304941271, 609882542, 1524706355, 2134588897, 3049412710, 4269177794, 10672944485, 21345888970]

約数ペア:

[(1, 21345888970), (2, 10672944485), (5, 4269177794), (7, 3049412710), (10, 2134588897), (14, 1524706355), (35, 609882542), (70, 304941271)]