21709611

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31327}}^1$

素因数の和:31351

約数の個数: 24

約数和(自身を含む): 39097344

約数和(自身を除く): 17387733

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31327, 93981, 219289, 281943, 344597, 657867, 1033791, 1973601, 2412179, 3101373, 7236537, 21709611]

約数ペア:

[(1, 21709611), (3, 7236537), (7, 3101373), (9, 2412179), (11, 1973601), (21, 1033791), (33, 657867), (63, 344597), (77, 281943), (99, 219289), (231, 93981), (693, 31327)]