21082599

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{6053}}^1$

素因数の和:6108

約数の個数: 20

約数和(自身を含む): 32231496

約数和(自身を除く): 11148897

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 6053, 18159, 54477, 163431, 260279, 490293, 780837, 2342511, 7027533, 21082599]

約数ペア:

[(1, 21082599), (3, 7027533), (9, 2342511), (27, 780837), (43, 490293), (81, 260279), (129, 163431), (387, 54477), (1161, 18159), (3483, 6053)]