21685413418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8983187}}^1$

素因数の和:8983277

約数の個数: 16

約数和(自身を含む): 34926634944

約数和(自身を除く): 13241221526

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8983187, 17966374, 152714179, 305428358, 637806277, 1275612554, 10842706709, 21685413418]

約数ペア:

[(1, 21685413418), (2, 10842706709), (17, 1275612554), (34, 637806277), (71, 305428358), (142, 152714179), (1207, 17966374), (2414, 8983187)]