21151200

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1259}}^1$

素因数の和:1289

約数の個数: 144

約数和(自身を含む): 78744960

約数和(自身を除く): 57593760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1259, 1400, 1680, 2100, 2400, 2518, 2800, 3360, 3777, 4200, 5036, 5600, 6295, 7554, 8400, 8813, 10072, 12590, 15108, 16800, 17626, 18885, 20144, 25180, 26439, 30216, 31475, 35252, 37770, 40288, 44065, 50360, 52878, 60432, 62950, 70504, 75540, 88130, 94425, 100720, 105756, 120864, 125900, 132195, 141008, 151080, 176260, 188850, 201440, 211512, 220325, 251800, 264390, 282016, 302160, 352520, 377700, 423024, 440650, 503600, 528780, 604320, 660975, 705040, 755400, 846048, 881300, 1007200, 1057560, 1321950, 1410080, 1510800, 1762600, 2115120, 2643900, 3021600, 3525200, 4230240, 5287800, 7050400, 10575600, 21151200]

約数ペア:

[(1, 21151200), (2, 10575600), (3, 7050400), (4, 5287800), (5, 4230240), (6, 3525200), (7, 3021600), (8, 2643900), (10, 2115120), (12, 1762600), (14, 1510800), (15, 1410080), (16, 1321950), (20, 1057560), (21, 1007200), (24, 881300), (25, 846048), (28, 755400), (30, 705040), (32, 660975), (35, 604320), (40, 528780), (42, 503600), (48, 440650), (50, 423024), (56, 377700), (60, 352520), (70, 302160), (75, 282016), (80, 264390), (84, 251800), (96, 220325), (100, 211512), (105, 201440), (112, 188850), (120, 176260), (140, 151080), (150, 141008), (160, 132195), (168, 125900), (175, 120864), (200, 105756), (210, 100720), (224, 94425), (240, 88130), (280, 75540), (300, 70504), (336, 62950), (350, 60432), (400, 52878), (420, 50360), (480, 44065), (525, 40288), (560, 37770), (600, 35252), (672, 31475), (700, 30216), (800, 26439), (840, 25180), (1050, 20144), (1120, 18885), (1200, 17626), (1259, 16800), (1400, 15108), (1680, 12590), (2100, 10072), (2400, 8813), (2518, 8400), (2800, 7554), (3360, 6295), (3777, 5600), (4200, 5036)]