21932823

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 34933248

約数和(自身を除く): 13000425

約数列:

[1, 3, 11, 23, 33, 37, 69, 71, 111, 121, 213, 253, 363, 407, 759, 781, 851, 1221, 1633, 2343, 2553, 2627, 2783, 4477, 4899, 7881, 8349, 8591, 9361, 13431, 17963, 25773, 28083, 28897, 53889, 60421, 86691, 102971, 181263, 197593, 308913, 317867, 592779, 664631, 953601, 1993893, 7310941, 21932823]

約数ペア:

[(1, 21932823), (3, 7310941), (11, 1993893), (23, 953601), (33, 664631), (37, 592779), (69, 317867), (71, 308913), (111, 197593), (121, 181263), (213, 102971), (253, 86691), (363, 60421), (407, 53889), (759, 28897), (781, 28083), (851, 25773), (1221, 17963), (1633, 13431), (2343, 9361), (2553, 8591), (2627, 8349), (2783, 7881), (4477, 4899)]