21000331782

素因数分解:

$2^1\times 3^3\times {\mathrm{1181}}^1\times {\mathrm{329293}}^1$

素因数の和:330485

約数の個数: 32

約数和(自身を含む): 46707060960

約数和(自身を除く): 25706729178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1181, 2362, 3543, 7086, 10629, 21258, 31887, 63774, 329293, 658586, 987879, 1975758, 2963637, 5927274, 8890911, 17781822, 388895033, 777790066, 1166685099, 2333370198, 3500055297, 7000110594, 10500165891, 21000331782]

約数ペア:

[(1, 21000331782), (2, 10500165891), (3, 7000110594), (6, 3500055297), (9, 2333370198), (18, 1166685099), (27, 777790066), (54, 388895033), (1181, 17781822), (2362, 8890911), (3543, 5927274), (7086, 2963637), (10629, 1975758), (21258, 987879), (31887, 658586), (63774, 329293)]