21855086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26849}}^1$

素因数の和:26899

約数の個数: 16

約数和(自身を含む): 36730800

約数和(自身を除く): 14875714

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26849, 53698, 295339, 590678, 993413, 1986826, 10927543, 21855086]

約数ペア:

[(1, 21855086), (2, 10927543), (11, 1986826), (22, 993413), (37, 590678), (74, 295339), (407, 53698), (814, 26849)]