21144851

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{733}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 26142144

約数和(自身を除く): 4997293

約数列:

[1, 7, 13, 91, 317, 733, 2219, 4121, 5131, 9529, 28847, 66703, 232361, 1626527, 3020693, 21144851]

約数ペア:

[(1, 21144851), (7, 3020693), (13, 1626527), (91, 232361), (317, 66703), (733, 28847), (2219, 9529), (4121, 5131)]