21167280279

素因数分解:

$3^2\times {\mathrm{6961}}^1\times {\mathrm{337871}}^1$

素因数の和:344838

約数の個数: 12

約数和(自身を含む): 30579443232

約数和(自身を除く): 9412162953

約数列:

[1, 3, 9, 6961, 20883, 62649, 337871, 1013613, 3040839, 2351920031, 7055760093, 21167280279]

約数ペア:

[(1, 21167280279), (3, 7055760093), (9, 2351920031), (6961, 3040839), (20883, 1013613), (62649, 337871)]