21895654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{2027}}^1$

素因数の和:2531

約数の個数: 16

約数和(自身を含む): 35919936

約数和(自身を除く): 14024282

約数列:

[1, 2, 11, 22, 491, 982, 2027, 4054, 5401, 10802, 22297, 44594, 995257, 1990514, 10947827, 21895654]

約数ペア:

[(1, 21895654), (2, 10947827), (11, 1990514), (22, 995257), (491, 44594), (982, 22297), (2027, 10802), (4054, 5401)]