21000209016

素因数分解:

$2^3\times 3^1\times {\mathrm{875008709}}^1$

素因数の和:875008718

約数の個数: 16

約数和(自身を含む): 52500522600

約数和(自身を除く): 31500313584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875008709, 1750017418, 2625026127, 3500034836, 5250052254, 7000069672, 10500104508, 21000209016]

約数ペア:

[(1, 21000209016), (2, 10500104508), (3, 7000069672), (4, 5250052254), (6, 3500034836), (8, 2625026127), (12, 1750017418), (24, 875008709)]