21063040

素因数分解:

$2^7\times 5^1\times {\mathrm{32911}}^1$

素因数の和:32930

約数の個数: 32

約数和(自身を含む): 50355360

約数和(自身を除く): 29292320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32911, 65822, 131644, 164555, 263288, 329110, 526576, 658220, 1053152, 1316440, 2106304, 2632880, 4212608, 5265760, 10531520, 21063040]

約数ペア:

[(1, 21063040), (2, 10531520), (4, 5265760), (5, 4212608), (8, 2632880), (10, 2106304), (16, 1316440), (20, 1053152), (32, 658220), (40, 526576), (64, 329110), (80, 263288), (128, 164555), (160, 131644), (320, 65822), (640, 32911)]