21975680

素因数分解:

$2^7\times 5^1\times {\mathrm{34337}}^1$

素因数の和:34356

約数の個数: 32

約数和(自身を含む): 52537140

約数和(自身を除く): 30561460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34337, 68674, 137348, 171685, 274696, 343370, 549392, 686740, 1098784, 1373480, 2197568, 2746960, 4395136, 5493920, 10987840, 21975680]

約数ペア:

[(1, 21975680), (2, 10987840), (4, 5493920), (5, 4395136), (8, 2746960), (10, 2197568), (16, 1373480), (20, 1098784), (32, 686740), (40, 549392), (64, 343370), (80, 274696), (128, 171685), (160, 137348), (320, 68674), (640, 34337)]