21600640

素因数分解:

$2^7\times 5^1\times {\mathrm{33751}}^1$

素因数の和:33770

約数の個数: 32

約数和(自身を含む): 51640560

約数和(自身を除く): 30039920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 33751, 67502, 135004, 168755, 270008, 337510, 540016, 675020, 1080032, 1350040, 2160064, 2700080, 4320128, 5400160, 10800320, 21600640]

約数ペア:

[(1, 21600640), (2, 10800320), (4, 5400160), (5, 4320128), (8, 2700080), (10, 2160064), (16, 1350040), (20, 1080032), (32, 675020), (40, 540016), (64, 337510), (80, 270008), (128, 168755), (160, 135004), (320, 67502), (640, 33751)]