21517484255

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{236339}}^1$

素因数の和:236614

約数の個数: 16

約数和(自身を含む): 26205379200

約数和(自身を除く): 4687894945

約数列:

[1, 5, 131, 139, 655, 695, 18209, 91045, 236339, 1181695, 30960409, 32851121, 154802045, 164255605, 4303496851, 21517484255]

約数ペア:

[(1, 21517484255), (5, 4303496851), (131, 164255605), (139, 154802045), (655, 32851121), (695, 30960409), (18209, 1181695), (91045, 236339)]