21412440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 192

約数和(自身を含む): 82555200

約数和(自身を除く): 61142760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 116, 120, 126, 140, 145, 168, 174, 180, 203, 210, 232, 252, 261, 280, 290, 293, 315, 348, 360, 406, 420, 435, 504, 522, 580, 586, 609, 630, 696, 812, 840, 870, 879, 1015, 1044, 1160, 1172, 1218, 1260, 1305, 1465, 1624, 1740, 1758, 1827, 2030, 2051, 2088, 2344, 2436, 2520, 2610, 2637, 2930, 3045, 3480, 3516, 3654, 4060, 4102, 4395, 4872, 5220, 5274, 5860, 6090, 6153, 7032, 7308, 8120, 8204, 8497, 8790, 9135, 10255, 10440, 10548, 11720, 12180, 12306, 13185, 14616, 16408, 16994, 17580, 18270, 18459, 20510, 21096, 24360, 24612, 25491, 26370, 30765, 33988, 35160, 36540, 36918, 41020, 42485, 49224, 50982, 52740, 59479, 61530, 67976, 73080, 73836, 76473, 82040, 84970, 92295, 101964, 105480, 118958, 123060, 127455, 147672, 152946, 169940, 178437, 184590, 203928, 237916, 246120, 254910, 297395, 305892, 339880, 356874, 369180, 382365, 475832, 509820, 535311, 594790, 611784, 713748, 738360, 764730, 892185, 1019640, 1070622, 1189580, 1427496, 1529460, 1784370, 2141244, 2379160, 2676555, 3058920, 3568740, 4282488, 5353110, 7137480, 10706220, 21412440]

約数ペア:

[(1, 21412440), (2, 10706220), (3, 7137480), (4, 5353110), (5, 4282488), (6, 3568740), (7, 3058920), (8, 2676555), (9, 2379160), (10, 2141244), (12, 1784370), (14, 1529460), (15, 1427496), (18, 1189580), (20, 1070622), (21, 1019640), (24, 892185), (28, 764730), (29, 738360), (30, 713748), (35, 611784), (36, 594790), (40, 535311), (42, 509820), (45, 475832), (56, 382365), (58, 369180), (60, 356874), (63, 339880), (70, 305892), (72, 297395), (84, 254910), (87, 246120), (90, 237916), (105, 203928), (116, 184590), (120, 178437), (126, 169940), (140, 152946), (145, 147672), (168, 127455), (174, 123060), (180, 118958), (203, 105480), (210, 101964), (232, 92295), (252, 84970), (261, 82040), (280, 76473), (290, 73836), (293, 73080), (315, 67976), (348, 61530), (360, 59479), (406, 52740), (420, 50982), (435, 49224), (504, 42485), (522, 41020), (580, 36918), (586, 36540), (609, 35160), (630, 33988), (696, 30765), (812, 26370), (840, 25491), (870, 24612), (879, 24360), (1015, 21096), (1044, 20510), (1160, 18459), (1172, 18270), (1218, 17580), (1260, 16994), (1305, 16408), (1465, 14616), (1624, 13185), (1740, 12306), (1758, 12180), (1827, 11720), (2030, 10548), (2051, 10440), (2088, 10255), (2344, 9135), (2436, 8790), (2520, 8497), (2610, 8204), (2637, 8120), (2930, 7308), (3045, 7032), (3480, 6153), (3516, 6090), (3654, 5860), (4060, 5274), (4102, 5220), (4395, 4872)]