21612160

素因数分解:

$2^7\times 5^1\times {\mathrm{33769}}^1$

素因数の和:33788

約数の個数: 32

約数和(自身を含む): 51668100

約数和(自身を除く): 30055940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 33769, 67538, 135076, 168845, 270152, 337690, 540304, 675380, 1080608, 1350760, 2161216, 2701520, 4322432, 5403040, 10806080, 21612160]

約数ペア:

[(1, 21612160), (2, 10806080), (4, 5403040), (5, 4322432), (8, 2701520), (10, 2161216), (16, 1350760), (20, 1080608), (32, 675380), (40, 540304), (64, 337690), (80, 270152), (128, 168845), (160, 135076), (320, 67538), (640, 33769)]