21178045473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{734813}}^1$

素因数の和:735568

約数の個数: 16

約数和(自身を含む): 30450692160

約数和(自身を除く): 9272646687

約数列:

[1, 3, 13, 39, 739, 2217, 9607, 28821, 734813, 2204439, 9552569, 28657707, 543026807, 1629080421, 7059348491, 21178045473]

約数ペア:

[(1, 21178045473), (3, 7059348491), (13, 1629080421), (39, 543026807), (739, 28657707), (2217, 9552569), (9607, 2204439), (28821, 734813)]