21897492

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42437}}^1$

素因数の和:42487

約数の個数: 24

約数和(自身を含む): 52283616

約数和(自身を除く): 30386124

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42437, 84874, 127311, 169748, 254622, 509244, 1824791, 3649582, 5474373, 7299164, 10948746, 21897492]

約数ペア:

[(1, 21897492), (2, 10948746), (3, 7299164), (4, 5474373), (6, 3649582), (12, 1824791), (43, 509244), (86, 254622), (129, 169748), (172, 127311), (258, 84874), (516, 42437)]