21773983

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 28800000

約数和(自身を除く): 7026017

約数列:

[1, 7, 11, 29, 49, 77, 199, 203, 319, 343, 539, 1393, 1421, 2189, 2233, 3773, 5771, 9751, 9947, 15323, 15631, 40397, 63481, 68257, 107261, 109417, 282779, 444367, 750827, 1979453, 3110569, 21773983]

約数ペア:

[(1, 21773983), (7, 3110569), (11, 1979453), (29, 750827), (49, 444367), (77, 282779), (199, 109417), (203, 107261), (319, 68257), (343, 63481), (539, 40397), (1393, 15631), (1421, 15323), (2189, 9947), (2233, 9751), (3773, 5771)]