21776733

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19997}}^1$

素因数の和:20025

約数の個数: 18

約数和(自身を含む): 34576542

約数和(自身を除く): 12799809

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 19997, 59991, 179973, 219967, 659901, 1979703, 2419637, 7258911, 21776733]

約数ペア:

[(1, 21776733), (3, 7258911), (9, 2419637), (11, 1979703), (33, 659901), (99, 219967), (121, 179973), (363, 59991), (1089, 19997)]