21084657

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8999}}^1$

素因数の和:9084

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 10019343

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8999, 26997, 98989, 296967, 638929, 1916787, 7028219, 21084657]

約数ペア:

[(1, 21084657), (3, 7028219), (11, 1916787), (33, 638929), (71, 296967), (213, 98989), (781, 26997), (2343, 8999)]