21771794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4973}}^1$

素因数の和:5185

約数の個数: 16

約数和(自身を含む): 35812800

約数和(自身を除く): 14041006

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4973, 9946, 54703, 109406, 989627, 1979254, 10885897, 21771794]

約数ペア:

[(1, 21771794), (2, 10885897), (11, 1979254), (22, 989627), (199, 109406), (398, 54703), (2189, 9946), (4378, 4973)]