21717924

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42089}}^1$

素因数の和:42139

約数の個数: 24

約数和(自身を含む): 51854880

約数和(自身を除く): 30136956

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42089, 84178, 126267, 168356, 252534, 505068, 1809827, 3619654, 5429481, 7239308, 10858962, 21717924]

約数ペア:

[(1, 21717924), (2, 10858962), (3, 7239308), (4, 5429481), (6, 3619654), (12, 1809827), (43, 505068), (86, 252534), (129, 168356), (172, 126267), (258, 84178), (516, 42089)]