21728412

素因数分解:

$2^2\times 3^4\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:552

約数の個数: 60

約数和(自身を含む): 57257200

約数和(自身を除く): 35528788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 199, 324, 337, 398, 597, 674, 796, 1011, 1194, 1348, 1791, 2022, 2388, 3033, 3582, 4044, 5373, 6066, 7164, 9099, 10746, 12132, 16119, 18198, 21492, 27297, 32238, 36396, 54594, 64476, 67063, 109188, 134126, 201189, 268252, 402378, 603567, 804756, 1207134, 1810701, 2414268, 3621402, 5432103, 7242804, 10864206, 21728412]

約数ペア:

[(1, 21728412), (2, 10864206), (3, 7242804), (4, 5432103), (6, 3621402), (9, 2414268), (12, 1810701), (18, 1207134), (27, 804756), (36, 603567), (54, 402378), (81, 268252), (108, 201189), (162, 134126), (199, 109188), (324, 67063), (337, 64476), (398, 54594), (597, 36396), (674, 32238), (796, 27297), (1011, 21492), (1194, 18198), (1348, 16119), (1791, 12132), (2022, 10746), (2388, 9099), (3033, 7164), (3582, 6066), (4044, 5373)]