21836507

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 36

約数和(自身を含む): 29111040

約数和(自身を除く): 7274533

約数列:

[1, 7, 11, 29, 49, 77, 121, 127, 203, 319, 539, 847, 889, 1397, 1421, 2233, 3509, 3683, 5929, 6223, 9779, 15367, 15631, 24563, 25781, 40513, 68453, 107569, 171941, 180467, 283591, 445643, 752983, 1985137, 3119501, 21836507]

約数ペア:

[(1, 21836507), (7, 3119501), (11, 1985137), (29, 752983), (49, 445643), (77, 283591), (121, 180467), (127, 171941), (203, 107569), (319, 68453), (539, 40513), (847, 25781), (889, 24563), (1397, 15631), (1421, 15367), (2233, 9779), (3509, 6223), (3683, 5929)]