21331323

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60773}}^1$

素因数の和:60795

約数の個数: 16

約数和(自身を含む): 34033440

約数和(自身を除く): 12702117

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60773, 182319, 546957, 790049, 1640871, 2370147, 7110441, 21331323]

約数ペア:

[(1, 21331323), (3, 7110441), (9, 2370147), (13, 1640871), (27, 790049), (39, 546957), (117, 182319), (351, 60773)]