21130076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1709}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 40506480

約数和(自身を除く): 19376404

約数列:

[1, 2, 4, 11, 22, 44, 281, 562, 1124, 1709, 3091, 3418, 6182, 6836, 12364, 18799, 37598, 75196, 480229, 960458, 1920916, 5282519, 10565038, 21130076]

約数ペア:

[(1, 21130076), (2, 10565038), (4, 5282519), (11, 1920916), (22, 960458), (44, 480229), (281, 75196), (562, 37598), (1124, 18799), (1709, 12364), (3091, 6836), (3418, 6182)]