21788019

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7589}}^1$

素因数の和:7635

約数の個数: 24

約数和(自身を含む): 35521200

約数和(自身を除く): 13733181

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7589, 22767, 68301, 83479, 220081, 250437, 660243, 751311, 1980729, 2420891, 7262673, 21788019]

約数ペア:

[(1, 21788019), (3, 7262673), (9, 2420891), (11, 1980729), (29, 751311), (33, 660243), (87, 250437), (99, 220081), (261, 83479), (319, 68301), (957, 22767), (2871, 7589)]