21313591

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 23935744

約数和(自身を除く): 2622153

約数列:

[1, 13, 37, 73, 481, 607, 949, 2701, 7891, 22459, 35113, 44311, 291967, 576043, 1639507, 21313591]

約数ペア:

[(1, 21313591), (13, 1639507), (37, 576043), (73, 291967), (481, 44311), (607, 35113), (949, 22459), (2701, 7891)]