21885045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16033}}^1$

素因数の和:16061

約数の個数: 32

約数和(自身を含む): 43099392

約数和(自身を除く): 21214347

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 16033, 48099, 80165, 112231, 208429, 240495, 336693, 561155, 625287, 1042145, 1459003, 1683465, 3126435, 4377009, 7295015, 21885045]

約数ペア:

[(1, 21885045), (3, 7295015), (5, 4377009), (7, 3126435), (13, 1683465), (15, 1459003), (21, 1042145), (35, 625287), (39, 561155), (65, 336693), (91, 240495), (105, 208429), (195, 112231), (273, 80165), (455, 48099), (1365, 16033)]