21065506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3697}}^1$

素因数の和:3754

約数の個数: 32

約数和(自身を含む): 40470912

約数和(自身を除く): 19405406

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3697, 5698, 7394, 25879, 40667, 51758, 81334, 136789, 273578, 284669, 569338, 957523, 1504679, 1915046, 3009358, 10532753, 21065506]

約数ペア:

[(1, 21065506), (2, 10532753), (7, 3009358), (11, 1915046), (14, 1504679), (22, 957523), (37, 569338), (74, 284669), (77, 273578), (154, 136789), (259, 81334), (407, 51758), (518, 40667), (814, 25879), (2849, 7394), (3697, 5698)]