21864876

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 56464128

約数和(自身を除く): 34599252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2333, 2343, 3124, 4666, 4686, 6999, 9332, 9372, 13998, 25663, 27996, 51326, 76989, 102652, 153978, 165643, 307956, 331286, 496929, 662572, 993858, 1822073, 1987716, 3644146, 5466219, 7288292, 10932438, 21864876]

約数ペア:

[(1, 21864876), (2, 10932438), (3, 7288292), (4, 5466219), (6, 3644146), (11, 1987716), (12, 1822073), (22, 993858), (33, 662572), (44, 496929), (66, 331286), (71, 307956), (132, 165643), (142, 153978), (213, 102652), (284, 76989), (426, 51326), (781, 27996), (852, 25663), (1562, 13998), (2333, 9372), (2343, 9332), (3124, 6999), (4666, 4686)]