21571594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1997}}^1$

素因数の和:2501

約数の個数: 16

約数和(自身を含む): 35388576

約数和(自身を除く): 13816982

約数列:

[1, 2, 11, 22, 491, 982, 1997, 3994, 5401, 10802, 21967, 43934, 980527, 1961054, 10785797, 21571594]

約数ペア:

[(1, 21571594), (2, 10785797), (11, 1961054), (22, 980527), (491, 43934), (982, 21967), (1997, 10802), (3994, 5401)]