21000859208

素因数分解:

$2^3\times 7^1\times {\mathrm{375015343}}^1$

素因数の和:375015356

約数の個数: 16

約数和(自身を含む): 45001841280

約数和(自身を除く): 24000982072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375015343, 750030686, 1500061372, 2625107401, 3000122744, 5250214802, 10500429604, 21000859208]

約数ペア:

[(1, 21000859208), (2, 10500429604), (4, 5250214802), (7, 3000122744), (8, 2625107401), (14, 1500061372), (28, 750030686), (56, 375015343)]