21084292271

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{33107}}^1$

素因数の和:33479

約数の個数: 24

約数和(自身を含む): 25204855536

約数和(自身を除く): 4120563265

約数列:

[1, 7, 41, 49, 287, 317, 2009, 2219, 12997, 15533, 33107, 90979, 231749, 636853, 1357387, 1622243, 9501709, 10494919, 66511963, 73464433, 430291679, 514251031, 3012041753, 21084292271]

約数ペア:

[(1, 21084292271), (7, 3012041753), (41, 514251031), (49, 430291679), (287, 73464433), (317, 66511963), (2009, 10494919), (2219, 9501709), (12997, 1622243), (15533, 1357387), (33107, 636853), (90979, 231749)]