21604803

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9221}}^1$

素因数の和:9306

約数の個数: 16

約数和(自身を含む): 31871232

約数和(自身を除く): 10266429

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 9221, 27663, 101431, 304293, 654691, 1964073, 7201601, 21604803]

約数ペア:

[(1, 21604803), (3, 7201601), (11, 1964073), (33, 654691), (71, 304293), (213, 101431), (781, 27663), (2343, 9221)]