21804612

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42257}}^1$

素因数の和:42307

約数の個数: 24

約数和(自身を含む): 52061856

約数和(自身を除く): 30257244

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42257, 84514, 126771, 169028, 253542, 507084, 1817051, 3634102, 5451153, 7268204, 10902306, 21804612]

約数ペア:

[(1, 21804612), (2, 10902306), (3, 7268204), (4, 5451153), (6, 3634102), (12, 1817051), (43, 507084), (86, 253542), (129, 169028), (172, 126771), (258, 84514), (516, 42257)]