21658000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 240

約数和(自身を含む): 69464304

約数和(自身を除く): 47806304

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 25, 26, 28, 34, 35, 40, 49, 50, 52, 56, 65, 68, 70, 80, 85, 91, 98, 100, 104, 112, 119, 125, 130, 136, 140, 170, 175, 182, 196, 200, 208, 221, 238, 245, 250, 260, 272, 280, 325, 340, 350, 364, 392, 400, 425, 442, 455, 476, 490, 500, 520, 560, 595, 637, 650, 680, 700, 728, 784, 833, 850, 875, 884, 910, 952, 980, 1000, 1040, 1105, 1190, 1225, 1274, 1300, 1360, 1400, 1456, 1547, 1625, 1666, 1700, 1750, 1768, 1820, 1904, 1960, 2000, 2125, 2210, 2275, 2380, 2450, 2548, 2600, 2800, 2975, 3094, 3185, 3250, 3332, 3400, 3500, 3536, 3640, 3920, 4165, 4250, 4420, 4550, 4760, 4900, 5096, 5200, 5525, 5950, 6125, 6188, 6370, 6500, 6664, 6800, 7000, 7280, 7735, 8330, 8500, 8840, 9100, 9520, 9800, 10192, 10829, 11050, 11375, 11900, 12250, 12376, 12740, 13000, 13328, 14000, 14875, 15470, 15925, 16660, 17000, 17680, 18200, 19600, 20825, 21658, 22100, 22750, 23800, 24500, 24752, 25480, 26000, 27625, 29750, 30940, 31850, 33320, 34000, 36400, 38675, 41650, 43316, 44200, 45500, 47600, 49000, 50960, 54145, 55250, 59500, 61880, 63700, 66640, 77350, 79625, 83300, 86632, 88400, 91000, 98000, 104125, 108290, 110500, 119000, 123760, 127400, 154700, 159250, 166600, 173264, 182000, 193375, 208250, 216580, 221000, 238000, 254800, 270725, 309400, 318500, 333200, 386750, 416500, 433160, 442000, 541450, 618800, 637000, 773500, 833000, 866320, 1082900, 1274000, 1353625, 1547000, 1666000, 2165800, 2707250, 3094000, 4331600, 5414500, 10829000, 21658000]

約数ペア:

[(1, 21658000), (2, 10829000), (4, 5414500), (5, 4331600), (7, 3094000), (8, 2707250), (10, 2165800), (13, 1666000), (14, 1547000), (16, 1353625), (17, 1274000), (20, 1082900), (25, 866320), (26, 833000), (28, 773500), (34, 637000), (35, 618800), (40, 541450), (49, 442000), (50, 433160), (52, 416500), (56, 386750), (65, 333200), (68, 318500), (70, 309400), (80, 270725), (85, 254800), (91, 238000), (98, 221000), (100, 216580), (104, 208250), (112, 193375), (119, 182000), (125, 173264), (130, 166600), (136, 159250), (140, 154700), (170, 127400), (175, 123760), (182, 119000), (196, 110500), (200, 108290), (208, 104125), (221, 98000), (238, 91000), (245, 88400), (250, 86632), (260, 83300), (272, 79625), (280, 77350), (325, 66640), (340, 63700), (350, 61880), (364, 59500), (392, 55250), (400, 54145), (425, 50960), (442, 49000), (455, 47600), (476, 45500), (490, 44200), (500, 43316), (520, 41650), (560, 38675), (595, 36400), (637, 34000), (650, 33320), (680, 31850), (700, 30940), (728, 29750), (784, 27625), (833, 26000), (850, 25480), (875, 24752), (884, 24500), (910, 23800), (952, 22750), (980, 22100), (1000, 21658), (1040, 20825), (1105, 19600), (1190, 18200), (1225, 17680), (1274, 17000), (1300, 16660), (1360, 15925), (1400, 15470), (1456, 14875), (1547, 14000), (1625, 13328), (1666, 13000), (1700, 12740), (1750, 12376), (1768, 12250), (1820, 11900), (1904, 11375), (1960, 11050), (2000, 10829), (2125, 10192), (2210, 9800), (2275, 9520), (2380, 9100), (2450, 8840), (2548, 8500), (2600, 8330), (2800, 7735), (2975, 7280), (3094, 7000), (3185, 6800), (3250, 6664), (3332, 6500), (3400, 6370), (3500, 6188), (3536, 6125), (3640, 5950), (3920, 5525), (4165, 5200), (4250, 5096), (4420, 4900), (4550, 4760)]