21461343

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 30257712

約数和(自身を除く): 8796369

約数列:

[1, 3, 43, 53, 73, 129, 159, 219, 1849, 2279, 3139, 3869, 5547, 6837, 9417, 11607, 97997, 134977, 166367, 293991, 404931, 499101, 7153781, 21461343]

約数ペア:

[(1, 21461343), (3, 7153781), (43, 499101), (53, 404931), (73, 293991), (129, 166367), (159, 134977), (219, 97997), (1849, 11607), (2279, 9417), (3139, 6837), (3869, 5547)]