21525165

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2267}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 37503648

約数和(自身を除く): 15978483

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2267, 3165, 6801, 9495, 11335, 20403, 34005, 102015, 478337, 1435011, 2391685, 4305033, 7175055, 21525165]

約数ペア:

[(1, 21525165), (3, 7175055), (5, 4305033), (9, 2391685), (15, 1435011), (45, 478337), (211, 102015), (633, 34005), (1055, 20403), (1899, 11335), (2267, 9495), (3165, 6801)]