21500919

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7489}}^1$

素因数の和:7535

約数の個数: 24

約数和(自身を含む): 35053200

約数和(自身を除く): 13552281

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7489, 22467, 67401, 82379, 217181, 247137, 651543, 741411, 1954629, 2388991, 7166973, 21500919]

約数ペア:

[(1, 21500919), (3, 7166973), (9, 2388991), (11, 1954629), (29, 741411), (33, 651543), (87, 247137), (99, 217181), (261, 82379), (319, 67401), (957, 22467), (2871, 7489)]