21348778844

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{5051}}^1\times {\mathrm{19937}}^1$

素因数の和:25045

約数の個数: 24

約数和(自身を含む): 38074721328

約数和(自身を除く): 16725942484

約数列:

[1, 2, 4, 53, 106, 212, 5051, 10102, 19937, 20204, 39874, 79748, 267703, 535406, 1056661, 1070812, 2113322, 4226644, 100701787, 201403574, 402807148, 5337194711, 10674389422, 21348778844]

約数ペア:

[(1, 21348778844), (2, 10674389422), (4, 5337194711), (53, 402807148), (106, 201403574), (212, 100701787), (5051, 4226644), (10102, 2113322), (19937, 1070812), (20204, 1056661), (39874, 535406), (79748, 267703)]