21122309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 23358720

約数和(自身を除く): 2236411

約数列:

[1, 13, 79, 131, 157, 1027, 1703, 2041, 10349, 12403, 20567, 134537, 161239, 267371, 1624793, 21122309]

約数ペア:

[(1, 21122309), (13, 1624793), (79, 267371), (131, 161239), (157, 134537), (1027, 20567), (1703, 12403), (2041, 10349)]