21421167235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1439111}}^1$

素因数の和:1439358

約数の個数: 16

約数和(自身を含む): 27803643840

約数和(自身を除く): 6382476605

約数列:

[1, 5, 13, 65, 229, 1145, 2977, 14885, 1439111, 7195555, 18708443, 93542215, 329556419, 1647782095, 4284233447, 21421167235]

約数ペア:

[(1, 21421167235), (5, 4284233447), (13, 1647782095), (65, 329556419), (229, 93542215), (1145, 18708443), (2977, 7195555), (14885, 1439111)]