21592665

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11159}}^1$

素因数の和:11213

約数の個数: 24

約数和(自身を含む): 38301120

約数和(自身を除く): 16708455

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 11159, 33477, 55795, 100431, 167385, 479837, 502155, 1439511, 2399185, 4318533, 7197555, 21592665]

約数ペア:

[(1, 21592665), (3, 7197555), (5, 4318533), (9, 2399185), (15, 1439511), (43, 502155), (45, 479837), (129, 167385), (215, 100431), (387, 55795), (645, 33477), (1935, 11159)]