21000844812

素因数分解:

$2^2\times 3^1\times {\mathrm{419}}^1\times {\mathrm{4176779}}^1$

素因数の和:4177205

約数の個数: 24

約数和(自身を含む): 49118932800

約数和(自身を除く): 28118087988

約数列:

[1, 2, 3, 4, 6, 12, 419, 838, 1257, 1676, 2514, 5028, 4176779, 8353558, 12530337, 16707116, 25060674, 50121348, 1750070401, 3500140802, 5250211203, 7000281604, 10500422406, 21000844812]

約数ペア:

[(1, 21000844812), (2, 10500422406), (3, 7000281604), (4, 5250211203), (6, 3500140802), (12, 1750070401), (419, 50121348), (838, 25060674), (1257, 16707116), (1676, 12530337), (2514, 8353558), (5028, 4176779)]