21323049

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 11854551

約数列:

[1, 3, 11, 17, 33, 51, 187, 191, 199, 561, 573, 597, 2101, 2189, 3247, 3383, 6303, 6567, 9741, 10149, 35717, 37213, 38009, 107151, 111639, 114027, 418099, 646153, 1254297, 1938459, 7107683, 21323049]

約数ペア:

[(1, 21323049), (3, 7107683), (11, 1938459), (17, 1254297), (33, 646153), (51, 418099), (187, 114027), (191, 111639), (199, 107151), (561, 38009), (573, 37213), (597, 35717), (2101, 10149), (2189, 9741), (3247, 6567), (3383, 6303)]