21000295685

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1\times {\mathrm{80803}}^1$

素因数の和:81748

約数の個数: 16

約数和(自身を含む): 25656886080

約数和(自身を除く): 4656590395

約数列:

[1, 5, 59, 295, 881, 4405, 51979, 80803, 259895, 404015, 4767377, 23836885, 71187443, 355937215, 4200059137, 21000295685]

約数ペア:

[(1, 21000295685), (5, 4200059137), (59, 355937215), (295, 71187443), (881, 23836885), (4405, 4767377), (51979, 404015), (80803, 259895)]