21129804

素因数分解:

$2^2\times 3^2\times {\mathrm{586939}}^1$

素因数の和:586949

約数の個数: 18

約数和(自身を含む): 53411540

約数和(自身を除く): 32281736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 586939, 1173878, 1760817, 2347756, 3521634, 5282451, 7043268, 10564902, 21129804]

約数ペア:

[(1, 21129804), (2, 10564902), (3, 7043268), (4, 5282451), (6, 3521634), (9, 2347756), (12, 1760817), (18, 1173878), (36, 586939)]