21271796777

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{942857}}^1$

素因数の和:943168

約数の個数: 16

約数和(自身を含む): 26611224192

約数和(自身を除く): 5339427415

約数列:

[1, 7, 11, 77, 293, 2051, 3223, 22561, 942857, 6599999, 10371427, 72599989, 276257101, 1933799707, 3038828111, 21271796777]

約数ペア:

[(1, 21271796777), (7, 3038828111), (11, 1933799707), (77, 276257101), (293, 72599989), (2051, 10371427), (3223, 6599999), (22561, 942857)]