21761517

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8123}}^1$

素因数の和:8192

約数の個数: 16

約数和(自身を含む): 31196160

約数和(自身を除く): 9434643

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 8123, 24369, 154337, 381781, 463011, 1145343, 7253839, 21761517]

約数ペア:

[(1, 21761517), (3, 7253839), (19, 1145343), (47, 463011), (57, 381781), (141, 154337), (893, 24369), (2679, 8123)]