21572355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5011}}^1$

素因数の和:5067

約数の個数: 32

約数和(自身を含む): 40416768

約数和(自身を除く): 18844413

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 5011, 15033, 25055, 35077, 75165, 105231, 175385, 205451, 526155, 616353, 1027255, 1438157, 3081765, 4314471, 7190785, 21572355]

約数ペア:

[(1, 21572355), (3, 7190785), (5, 4314471), (7, 3081765), (15, 1438157), (21, 1027255), (35, 616353), (41, 526155), (105, 205451), (123, 175385), (205, 105231), (287, 75165), (615, 35077), (861, 25055), (1435, 15033), (4305, 5011)]