21746385

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21011}}^1$

素因数の和:21045

約数の個数: 24

約数和(自身を含む): 39334464

約数和(自身を除く): 17588079

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 21011, 63033, 105055, 189099, 315165, 483253, 945495, 1449759, 2416265, 4349277, 7248795, 21746385]

約数ペア:

[(1, 21746385), (3, 7248795), (5, 4349277), (9, 2416265), (15, 1449759), (23, 945495), (45, 483253), (69, 315165), (115, 189099), (207, 105055), (345, 63033), (1035, 21011)]