21199010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{302843}}^1$

素因数の和:302857

約数の個数: 16

約数和(自身を含む): 43609536

約数和(自身を除く): 22410526

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 302843, 605686, 1514215, 2119901, 3028430, 4239802, 10599505, 21199010]

約数ペア:

[(1, 21199010), (2, 10599505), (5, 4239802), (7, 3028430), (10, 2119901), (14, 1514215), (35, 605686), (70, 302843)]