21772509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21283}}^1$

素因数の和:21328

約数の個数: 16

約数和(自身を含む): 32692224

約数和(自身を除く): 10919715

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 21283, 63849, 234113, 659773, 702339, 1979319, 7257503, 21772509]

約数ペア:

[(1, 21772509), (3, 7257503), (11, 1979319), (31, 702339), (33, 659773), (93, 234113), (341, 63849), (1023, 21283)]