21329703

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{27241}}^1$

素因数の和:27279

約数の個数: 16

約数和(自身を含む): 32690400

約数和(自身を除く): 11360697

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 27241, 81723, 245169, 735507, 789989, 2369967, 7109901, 21329703]

約数ペア:

[(1, 21329703), (3, 7109901), (9, 2369967), (27, 789989), (29, 735507), (87, 245169), (261, 81723), (783, 27241)]