21657076

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33629}}^1$

素因数の和:33663

約数の個数: 24

約数和(自身を含む): 45198720

約数和(自身を除く): 23541644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33629, 67258, 134516, 235403, 470806, 773467, 941612, 1546934, 3093868, 5414269, 10828538, 21657076]

約数ペア:

[(1, 21657076), (2, 10828538), (4, 5414269), (7, 3093868), (14, 1546934), (23, 941612), (28, 773467), (46, 470806), (92, 235403), (161, 134516), (322, 67258), (644, 33629)]