21702917

素因数分解:

${\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:292

約数の個数: 16

約数和(自身を含む): 23094720

約数和(自身を除く): 1391803

約数列:

[1, 43, 53, 89, 107, 2279, 3827, 4601, 4717, 5671, 9523, 202831, 243853, 409489, 504719, 21702917]

約数ペア:

[(1, 21702917), (43, 504719), (53, 409489), (89, 243853), (107, 202831), (2279, 9523), (3827, 5671), (4601, 4717)]