21016206

素因数分解:

$2^1\times 3^3\times {\mathrm{389189}}^1$

素因数の和:389200

約数の個数: 16

約数和(自身を含む): 46702800

約数和(自身を除く): 25686594

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389189, 778378, 1167567, 2335134, 3502701, 7005402, 10508103, 21016206]

約数ペア:

[(1, 21016206), (2, 10508103), (3, 7005402), (6, 3502701), (9, 2335134), (18, 1167567), (27, 778378), (54, 389189)]