21973567

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2083}}^1$

素因数の和:2238

約数の個数: 16

約数和(自身を含む): 27608832

約数和(自身を除く): 5635265

約数列:

[1, 7, 11, 77, 137, 959, 1507, 2083, 10549, 14581, 22913, 160391, 285371, 1997597, 3139081, 21973567]

約数ペア:

[(1, 21973567), (7, 3139081), (11, 1997597), (77, 285371), (137, 160391), (959, 22913), (1507, 14581), (2083, 10549)]