21601544

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{87103}}^1$

素因数の和:87140

約数の個数: 16

約数和(自身を含む): 41809920

約数和(自身を除く): 20208376

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 87103, 174206, 348412, 696824, 2700193, 5400386, 10800772, 21601544]

約数ペア:

[(1, 21601544), (2, 10800772), (4, 5400386), (8, 2700193), (31, 696824), (62, 348412), (124, 174206), (248, 87103)]