21326463

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1783}}^1$

素因数の和:2235

約数の個数: 16

約数和(自身を含む): 31683840

約数和(自身を除く): 10357377

約数列:

[1, 3, 9, 27, 443, 1329, 1783, 3987, 5349, 11961, 16047, 48141, 789869, 2369607, 7108821, 21326463]

約数ペア:

[(1, 21326463), (3, 7108821), (9, 2369607), (27, 789869), (443, 48141), (1329, 16047), (1783, 11961), (3987, 5349)]