21421167292

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4872877}}^1$

素因数の和:4873045

約数の個数: 24

約数和(自身を含む): 43115224544

約数和(自身を除く): 21694057252

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4872877, 9745754, 19491508, 34110139, 68220278, 136440556, 765041689, 1530083378, 3060166756, 5355291823, 10710583646, 21421167292]

約数ペア:

[(1, 21421167292), (2, 10710583646), (4, 5355291823), (7, 3060166756), (14, 1530083378), (28, 765041689), (157, 136440556), (314, 68220278), (628, 34110139), (1099, 19491508), (2198, 9745754), (4396, 4872877)]