21867876

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4783}}^1$

素因数の和:4920

約数の個数: 36

約数和(自身を含む): 55724032

約数和(自身を除く): 33856156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4572, 4783, 9566, 14349, 19132, 28698, 43047, 57396, 86094, 172188, 607441, 1214882, 1822323, 2429764, 3644646, 5466969, 7289292, 10933938, 21867876]

約数ペア:

[(1, 21867876), (2, 10933938), (3, 7289292), (4, 5466969), (6, 3644646), (9, 2429764), (12, 1822323), (18, 1214882), (36, 607441), (127, 172188), (254, 86094), (381, 57396), (508, 43047), (762, 28698), (1143, 19132), (1524, 14349), (2286, 9566), (4572, 4783)]