21198310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{302833}}^1$

素因数の和:302847

約数の個数: 16

約数和(自身を含む): 43608096

約数和(自身を除く): 22409786

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 302833, 605666, 1514165, 2119831, 3028330, 4239662, 10599155, 21198310]

約数ペア:

[(1, 21198310), (2, 10599155), (5, 4239662), (7, 3028330), (10, 2119831), (14, 1514165), (35, 605666), (70, 302833)]