21331449

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{5399}}^1$

素因数の和:5844

約数の個数: 12

約数和(自身を含む): 30888000

約数和(自身を除く): 9556551

約数列:

[1, 3, 9, 439, 1317, 3951, 5399, 16197, 48591, 2370161, 7110483, 21331449]

約数ペア:

[(1, 21331449), (3, 7110483), (9, 2370161), (439, 48591), (1317, 16197), (3951, 5399)]