21310800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 81185280

約数和(自身を除く): 59874480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 43, 48, 50, 56, 59, 60, 70, 75, 80, 84, 86, 100, 105, 112, 118, 120, 129, 140, 150, 168, 172, 175, 177, 200, 210, 215, 236, 240, 258, 280, 295, 300, 301, 336, 344, 350, 354, 400, 413, 420, 430, 472, 516, 525, 560, 590, 600, 602, 645, 688, 700, 708, 826, 840, 860, 885, 903, 944, 1032, 1050, 1075, 1180, 1200, 1204, 1239, 1290, 1400, 1416, 1475, 1505, 1652, 1680, 1720, 1770, 1806, 2064, 2065, 2100, 2150, 2360, 2408, 2478, 2537, 2580, 2800, 2832, 2950, 3010, 3225, 3304, 3440, 3540, 3612, 4130, 4200, 4300, 4425, 4515, 4720, 4816, 4956, 5074, 5160, 5900, 6020, 6195, 6450, 6608, 7080, 7224, 7525, 7611, 8260, 8400, 8600, 8850, 9030, 9912, 10148, 10320, 10325, 11800, 12040, 12390, 12685, 12900, 14160, 14448, 15050, 15222, 16520, 17200, 17700, 17759, 18060, 19824, 20296, 20650, 22575, 23600, 24080, 24780, 25370, 25800, 30100, 30444, 30975, 33040, 35400, 35518, 36120, 38055, 40592, 41300, 45150, 49560, 50740, 51600, 53277, 60200, 60888, 61950, 63425, 70800, 71036, 72240, 76110, 82600, 88795, 90300, 99120, 101480, 106554, 120400, 121776, 123900, 126850, 142072, 152220, 165200, 177590, 180600, 190275, 202960, 213108, 247800, 253700, 266385, 284144, 304440, 355180, 361200, 380550, 426216, 443975, 495600, 507400, 532770, 608880, 710360, 761100, 852432, 887950, 1014800, 1065540, 1331925, 1420720, 1522200, 1775900, 2131080, 2663850, 3044400, 3551800, 4262160, 5327700, 7103600, 10655400, 21310800]

約数ペア:

[(1, 21310800), (2, 10655400), (3, 7103600), (4, 5327700), (5, 4262160), (6, 3551800), (7, 3044400), (8, 2663850), (10, 2131080), (12, 1775900), (14, 1522200), (15, 1420720), (16, 1331925), (20, 1065540), (21, 1014800), (24, 887950), (25, 852432), (28, 761100), (30, 710360), (35, 608880), (40, 532770), (42, 507400), (43, 495600), (48, 443975), (50, 426216), (56, 380550), (59, 361200), (60, 355180), (70, 304440), (75, 284144), (80, 266385), (84, 253700), (86, 247800), (100, 213108), (105, 202960), (112, 190275), (118, 180600), (120, 177590), (129, 165200), (140, 152220), (150, 142072), (168, 126850), (172, 123900), (175, 121776), (177, 120400), (200, 106554), (210, 101480), (215, 99120), (236, 90300), (240, 88795), (258, 82600), (280, 76110), (295, 72240), (300, 71036), (301, 70800), (336, 63425), (344, 61950), (350, 60888), (354, 60200), (400, 53277), (413, 51600), (420, 50740), (430, 49560), (472, 45150), (516, 41300), (525, 40592), (560, 38055), (590, 36120), (600, 35518), (602, 35400), (645, 33040), (688, 30975), (700, 30444), (708, 30100), (826, 25800), (840, 25370), (860, 24780), (885, 24080), (903, 23600), (944, 22575), (1032, 20650), (1050, 20296), (1075, 19824), (1180, 18060), (1200, 17759), (1204, 17700), (1239, 17200), (1290, 16520), (1400, 15222), (1416, 15050), (1475, 14448), (1505, 14160), (1652, 12900), (1680, 12685), (1720, 12390), (1770, 12040), (1806, 11800), (2064, 10325), (2065, 10320), (2100, 10148), (2150, 9912), (2360, 9030), (2408, 8850), (2478, 8600), (2537, 8400), (2580, 8260), (2800, 7611), (2832, 7525), (2950, 7224), (3010, 7080), (3225, 6608), (3304, 6450), (3440, 6195), (3540, 6020), (3612, 5900), (4130, 5160), (4200, 5074), (4300, 4956), (4425, 4816), (4515, 4720)]