21804903

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1823}}^1$

素因数の和:2275

約数の個数: 16

約数和(自身を含む): 32394240

約数和(自身を除く): 10589337

約数列:

[1, 3, 9, 27, 443, 1329, 1823, 3987, 5469, 11961, 16407, 49221, 807589, 2422767, 7268301, 21804903]

約数ペア:

[(1, 21804903), (3, 7268301), (9, 2422767), (27, 807589), (443, 49221), (1329, 16407), (1823, 11961), (3987, 5469)]