21103357

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2796

約数の個数: 16

約数和(自身を含む): 24897600

約数和(自身を除く): 3794243

約数列:

[1, 11, 19, 37, 209, 407, 703, 2729, 7733, 30019, 51851, 100973, 570361, 1110703, 1918487, 21103357]

約数ペア:

[(1, 21103357), (11, 1918487), (19, 1110703), (37, 570361), (209, 100973), (407, 51851), (703, 30019), (2729, 7733)]