21742686

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{172561}}^1$

素因数の和:172576

約数の個数: 24

約数和(自身を含む): 53839344

約数和(自身を除く): 32096658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 172561, 345122, 517683, 1035366, 1207927, 1553049, 2415854, 3106098, 3623781, 7247562, 10871343, 21742686]

約数ペア:

[(1, 21742686), (2, 10871343), (3, 7247562), (6, 3623781), (7, 3106098), (9, 2415854), (14, 1553049), (18, 1207927), (21, 1035366), (42, 517683), (63, 345122), (126, 172561)]