22397221

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 29076992

約数和(自身を除く): 6679771

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 847, 853, 2387, 3751, 5971, 9383, 26257, 26443, 65681, 103213, 185101, 290873, 722491, 2036111, 3199603, 22397221]

約数ペア:

[(1, 22397221), (7, 3199603), (11, 2036111), (31, 722491), (77, 290873), (121, 185101), (217, 103213), (341, 65681), (847, 26443), (853, 26257), (2387, 9383), (3751, 5971)]