21339274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4597}}^1$

素因数の和:4821

約数の個数: 16

約数和(自身を含む): 35091936

約数和(自身を除く): 13752662

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4597, 4642, 9194, 50567, 101134, 969967, 1939934, 10669637, 21339274]

約数ペア:

[(1, 21339274), (2, 10669637), (11, 1939934), (22, 969967), (211, 101134), (422, 50567), (2321, 9194), (4597, 4642)]