21536740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46819}}^1$

素因数の和:46851

約数の個数: 24

約数和(自身を含む): 47194560

約数和(自身を除く): 25657820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46819, 93638, 187276, 234095, 468190, 936380, 1076837, 2153674, 4307348, 5384185, 10768370, 21536740]

約数ペア:

[(1, 21536740), (2, 10768370), (4, 5384185), (5, 4307348), (10, 2153674), (20, 1076837), (23, 936380), (46, 468190), (92, 234095), (115, 187276), (230, 93638), (460, 46819)]