21138304

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{15013}}^1$

素因数の和:15038

約数の個数: 32

約数和(自身を含む): 45942840

約数和(自身を除く): 24804536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 15013, 30026, 60052, 120104, 165143, 240208, 330286, 480416, 660572, 960832, 1321144, 1921664, 2642288, 5284576, 10569152, 21138304]

約数ペア:

[(1, 21138304), (2, 10569152), (4, 5284576), (8, 2642288), (11, 1921664), (16, 1321144), (22, 960832), (32, 660572), (44, 480416), (64, 330286), (88, 240208), (128, 165143), (176, 120104), (352, 60052), (704, 30026), (1408, 15013)]