21140821683

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1381}}^1\times {\mathrm{45971}}^1$

素因数の和:47395

約数の個数: 24

約数和(自身を含む): 31385452176

約数和(自身を除く): 10244630493

約数列:

[1, 3, 9, 37, 111, 333, 1381, 4143, 12429, 45971, 51097, 137913, 153291, 413739, 459873, 1700927, 5102781, 15308343, 63485951, 190457853, 571373559, 2348980187, 7046940561, 21140821683]

約数ペア:

[(1, 21140821683), (3, 7046940561), (9, 2348980187), (37, 571373559), (111, 190457853), (333, 63485951), (1381, 15308343), (4143, 5102781), (12429, 1700927), (45971, 459873), (51097, 413739), (137913, 153291)]