21483315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9743}}^1$

素因数の和:9768

約数の個数: 36

約数和(自身を含む): 43321824

約数和(自身を除く): 21838509

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9743, 29229, 48715, 68201, 87687, 146145, 204603, 341005, 438435, 477407, 613809, 1023015, 1432221, 2387035, 3069045, 4296663, 7161105, 21483315]

約数ペア:

[(1, 21483315), (3, 7161105), (5, 4296663), (7, 3069045), (9, 2387035), (15, 1432221), (21, 1023015), (35, 613809), (45, 477407), (49, 438435), (63, 341005), (105, 204603), (147, 146145), (245, 87687), (315, 68201), (441, 48715), (735, 29229), (2205, 9743)]