21188332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1831}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 40626432

約数和(自身を除く): 19438100

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1831, 2893, 3662, 5786, 7324, 11572, 20141, 40282, 80564, 481553, 963106, 1926212, 5297083, 10594166, 21188332]

約数ペア:

[(1, 21188332), (2, 10594166), (4, 5297083), (11, 1926212), (22, 963106), (44, 481553), (263, 80564), (526, 40282), (1052, 20141), (1831, 11572), (2893, 7324), (3662, 5786)]