21599145

素因数分解:

$3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1069}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 37557000

約数和(自身を除く): 15957855

約数列:

[1, 3, 5, 9, 15, 45, 449, 1069, 1347, 2245, 3207, 4041, 5345, 6735, 9621, 16035, 20205, 48105, 479981, 1439943, 2399905, 4319829, 7199715, 21599145]

約数ペア:

[(1, 21599145), (3, 7199715), (5, 4319829), (9, 2399905), (15, 1439943), (45, 479981), (449, 48105), (1069, 20205), (1347, 16035), (2245, 9621), (3207, 6735), (4041, 5345)]