21398229

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1789}}^1$

素因数の和:2241

約数の個数: 16

約数和(自身を含む): 31790400

約数和(自身を除く): 10392171

約数列:

[1, 3, 9, 27, 443, 1329, 1789, 3987, 5367, 11961, 16101, 48303, 792527, 2377581, 7132743, 21398229]

約数ペア:

[(1, 21398229), (3, 7132743), (9, 2377581), (27, 792527), (443, 48303), (1329, 16101), (1789, 11961), (3987, 5367)]