21116445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2423}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 39094272

約数和(自身を除く): 17977827

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2423, 2905, 7269, 8715, 12115, 16961, 36345, 50883, 84805, 201109, 254415, 603327, 1005545, 1407763, 3016635, 4223289, 7038815, 21116445]

約数ペア:

[(1, 21116445), (3, 7038815), (5, 4223289), (7, 3016635), (15, 1407763), (21, 1005545), (35, 603327), (83, 254415), (105, 201109), (249, 84805), (415, 50883), (581, 36345), (1245, 16961), (1743, 12115), (2423, 8715), (2905, 7269)]