21071400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 77673600

約数和(自身を除く): 56602200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 29, 30, 35, 40, 42, 50, 56, 58, 60, 70, 75, 84, 87, 100, 105, 116, 120, 140, 145, 150, 168, 173, 174, 175, 200, 203, 210, 232, 280, 290, 300, 346, 348, 350, 406, 420, 435, 519, 525, 580, 600, 609, 692, 696, 700, 725, 812, 840, 865, 870, 1015, 1038, 1050, 1160, 1211, 1218, 1384, 1400, 1450, 1624, 1730, 1740, 2030, 2076, 2100, 2175, 2422, 2436, 2595, 2900, 3045, 3460, 3480, 3633, 4060, 4152, 4200, 4325, 4350, 4844, 4872, 5017, 5075, 5190, 5800, 6055, 6090, 6920, 7266, 8120, 8650, 8700, 9688, 10034, 10150, 10380, 12110, 12180, 12975, 14532, 15051, 15225, 17300, 17400, 18165, 20068, 20300, 20760, 24220, 24360, 25085, 25950, 29064, 30102, 30275, 30450, 34600, 35119, 36330, 40136, 40600, 48440, 50170, 51900, 60204, 60550, 60900, 70238, 72660, 75255, 90825, 100340, 103800, 105357, 120408, 121100, 121800, 125425, 140476, 145320, 150510, 175595, 181650, 200680, 210714, 242200, 250850, 280952, 301020, 351190, 363300, 376275, 421428, 501700, 526785, 602040, 702380, 726600, 752550, 842856, 877975, 1003400, 1053570, 1404760, 1505100, 1755950, 2107140, 2633925, 3010200, 3511900, 4214280, 5267850, 7023800, 10535700, 21071400]

約数ペア:

[(1, 21071400), (2, 10535700), (3, 7023800), (4, 5267850), (5, 4214280), (6, 3511900), (7, 3010200), (8, 2633925), (10, 2107140), (12, 1755950), (14, 1505100), (15, 1404760), (20, 1053570), (21, 1003400), (24, 877975), (25, 842856), (28, 752550), (29, 726600), (30, 702380), (35, 602040), (40, 526785), (42, 501700), (50, 421428), (56, 376275), (58, 363300), (60, 351190), (70, 301020), (75, 280952), (84, 250850), (87, 242200), (100, 210714), (105, 200680), (116, 181650), (120, 175595), (140, 150510), (145, 145320), (150, 140476), (168, 125425), (173, 121800), (174, 121100), (175, 120408), (200, 105357), (203, 103800), (210, 100340), (232, 90825), (280, 75255), (290, 72660), (300, 70238), (346, 60900), (348, 60550), (350, 60204), (406, 51900), (420, 50170), (435, 48440), (519, 40600), (525, 40136), (580, 36330), (600, 35119), (609, 34600), (692, 30450), (696, 30275), (700, 30102), (725, 29064), (812, 25950), (840, 25085), (865, 24360), (870, 24220), (1015, 20760), (1038, 20300), (1050, 20068), (1160, 18165), (1211, 17400), (1218, 17300), (1384, 15225), (1400, 15051), (1450, 14532), (1624, 12975), (1730, 12180), (1740, 12110), (2030, 10380), (2076, 10150), (2100, 10034), (2175, 9688), (2422, 8700), (2436, 8650), (2595, 8120), (2900, 7266), (3045, 6920), (3460, 6090), (3480, 6055), (3633, 5800), (4060, 5190), (4152, 5075), (4200, 5017), (4325, 4872), (4350, 4844)]