21815400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 68477760

約数和(自身を除く): 46662360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 103, 120, 150, 200, 206, 300, 309, 353, 412, 515, 600, 618, 706, 824, 1030, 1059, 1236, 1412, 1545, 1765, 2060, 2118, 2472, 2575, 2824, 3090, 3530, 4120, 4236, 5150, 5295, 6180, 7060, 7725, 8472, 8825, 10300, 10590, 12360, 14120, 15450, 17650, 20600, 21180, 26475, 30900, 35300, 36359, 42360, 52950, 61800, 70600, 72718, 105900, 109077, 145436, 181795, 211800, 218154, 290872, 363590, 436308, 545385, 727180, 872616, 908975, 1090770, 1454360, 1817950, 2181540, 2726925, 3635900, 4363080, 5453850, 7271800, 10907700, 21815400]

約数ペア:

[(1, 21815400), (2, 10907700), (3, 7271800), (4, 5453850), (5, 4363080), (6, 3635900), (8, 2726925), (10, 2181540), (12, 1817950), (15, 1454360), (20, 1090770), (24, 908975), (25, 872616), (30, 727180), (40, 545385), (50, 436308), (60, 363590), (75, 290872), (100, 218154), (103, 211800), (120, 181795), (150, 145436), (200, 109077), (206, 105900), (300, 72718), (309, 70600), (353, 61800), (412, 52950), (515, 42360), (600, 36359), (618, 35300), (706, 30900), (824, 26475), (1030, 21180), (1059, 20600), (1236, 17650), (1412, 15450), (1545, 14120), (1765, 12360), (2060, 10590), (2118, 10300), (2472, 8825), (2575, 8472), (2824, 7725), (3090, 7060), (3530, 6180), (4120, 5295), (4236, 5150)]