21290115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18433}}^1$

素因数の和:18459

約数の個数: 32

約数和(自身を含む): 42471936

約数和(自身を除く): 21181821

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18433, 55299, 92165, 129031, 202763, 276495, 387093, 608289, 645155, 1013815, 1419341, 1935465, 3041445, 4258023, 7096705, 21290115]

約数ペア:

[(1, 21290115), (3, 7096705), (5, 4258023), (7, 3041445), (11, 1935465), (15, 1419341), (21, 1013815), (33, 645155), (35, 608289), (55, 387093), (77, 276495), (105, 202763), (165, 129031), (231, 92165), (385, 55299), (1155, 18433)]