21651000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{1031}}^1$

素因数の和:1062

約数の個数: 128

約数和(自身を含む): 77276160

約数和(自身を除く): 55625160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1031, 1050, 1400, 1500, 1750, 2062, 2100, 2625, 3000, 3093, 3500, 4124, 4200, 5155, 5250, 6186, 7000, 7217, 8248, 10310, 10500, 12372, 14434, 15465, 20620, 21000, 21651, 24744, 25775, 28868, 30930, 36085, 41240, 43302, 51550, 57736, 61860, 72170, 77325, 86604, 103100, 108255, 123720, 128875, 144340, 154650, 173208, 180425, 206200, 216510, 257750, 288680, 309300, 360850, 386625, 433020, 515500, 541275, 618600, 721700, 773250, 866040, 902125, 1031000, 1082550, 1443400, 1546500, 1804250, 2165100, 2706375, 3093000, 3608500, 4330200, 5412750, 7217000, 10825500, 21651000]

約数ペア:

[(1, 21651000), (2, 10825500), (3, 7217000), (4, 5412750), (5, 4330200), (6, 3608500), (7, 3093000), (8, 2706375), (10, 2165100), (12, 1804250), (14, 1546500), (15, 1443400), (20, 1082550), (21, 1031000), (24, 902125), (25, 866040), (28, 773250), (30, 721700), (35, 618600), (40, 541275), (42, 515500), (50, 433020), (56, 386625), (60, 360850), (70, 309300), (75, 288680), (84, 257750), (100, 216510), (105, 206200), (120, 180425), (125, 173208), (140, 154650), (150, 144340), (168, 128875), (175, 123720), (200, 108255), (210, 103100), (250, 86604), (280, 77325), (300, 72170), (350, 61860), (375, 57736), (420, 51550), (500, 43302), (525, 41240), (600, 36085), (700, 30930), (750, 28868), (840, 25775), (875, 24744), (1000, 21651), (1031, 21000), (1050, 20620), (1400, 15465), (1500, 14434), (1750, 12372), (2062, 10500), (2100, 10310), (2625, 8248), (3000, 7217), (3093, 7000), (3500, 6186), (4124, 5250), (4200, 5155)]