42821218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{9781}}^1$

素因数の和:9993

約数の個数: 16

約数和(自身を含む): 70430400

約数和(自身を除く): 27609182

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 9781, 19562, 107591, 215182, 1946419, 3892838, 21410609, 42821218]

約数ペア:

[(1, 42821218), (2, 21410609), (11, 3892838), (22, 1946419), (199, 215182), (398, 107591), (2189, 19562), (4378, 9781)]