21198170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{302831}}^1$

素因数の和:302845

約数の個数: 16

約数和(自身を含む): 43607808

約数和(自身を除く): 22409638

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 302831, 605662, 1514155, 2119817, 3028310, 4239634, 10599085, 21198170]

約数ペア:

[(1, 21198170), (2, 10599085), (5, 4239634), (7, 3028310), (10, 2119817), (14, 1514155), (35, 605662), (70, 302831)]