About the Number

21271597920

21271597919 ← → 21271597921

2進数表記:10011110011111000101101001101100000

漢数字表記:二百十二億七千百五十九万七千九百二十

素因数分解:

2 5 × 3 5 × 5 1 × 61 1 × 8969 1

素因数の和:9060
約数の個数: 288
約数和(自身を含む): 76520414880
約数和(自身を除く): 55248816960

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 243, 244, 270, 288, 305, 324, 360, 366, 405, 432, 480, 486, 488, 540, 549, 610, 648, 720, 732, 810, 864, 915, 972, 976, 1080, 1098, 1215, 1220, 1296, 1440, 1464, 1620, 1647, 1830, 1944, 1952, 2160, 2196, 2430, 2440, 2592, 2745, 2928, 3240, 3294, 3660, 3888, 4320, 4392, 4860, 4880, 4941, 5490, 5856, 6480, 6588, 7320, 7776, 8235, 8784, 8969, 9720, 9760, 9882, 10980, 12960, 13176, 14640, 14823, 16470, 17568, 17938, 19440, 19764, 21960, 24705, 26352, 26907, 29280, 29646, 32940, 35876, 38880, 39528, 43920, 44845, 49410, 52704, 53814, 59292, 65880, 71752, 74115, 79056, 80721, 87840, 89690, 98820, 107628, 118584, 131760, 134535, 143504, 148230, 158112, 161442, 179380, 197640, 215256, 237168, 242163, 263520, 269070, 287008, 296460, 322884, 358760, 395280, 403605, 430512, 474336, 484326, 538140, 547109, 592920, 645768, 717520, 726489, 790560, 807210, 861024, 968652, 1076280, 1094218, 1185840, 1210815, 1291536, 1435040, 1452978, 1614420, 1641327, 1937304, 2152560, 2179467, 2188436, 2371680, 2421630, 2583072, 2735545, 2905956, 3228840, 3282654, 3632445, 3874608, 4305120, 4358934, 4376872, 4843260, 4923981, 5471090, 5811912, 6457680, 6565308, 7264890, 7749216, 8206635, 8717868, 8753744, 9686520, 9847962, 10897335, 10942180, 11623824, 12915360, 13130616, 14529780, 14771943, 16413270, 17435736, 17507488, 19373040, 19695924, 21794670, 21884360, 23247648, 24619905, 26261232, 29059560, 29543886, 32826540, 34871472, 38746080, 39391848, 43589340, 43768720, 44315829, 49239810, 52522464, 58119120, 59087772, 65653080, 69742944, 73859715, 78783696, 87178680, 87537440, 88631658, 98479620, 116238240, 118175544, 131306160, 132947487, 147719430, 157567392, 174357360, 177263316, 196959240, 221579145, 236351088, 262612320, 265894974, 295438860, 348714720, 354526632, 393918480, 443158290, 472702176, 531789948, 590877720, 664737435, 709053264, 787836960, 886316580, 1063579896, 1181755440, 1329474870, 1418106528, 1772633160, 2127159792, 2363510880, 2658949740, 3545266320, 4254319584, 5317899480, 7090532640, 10635798960, 21271597920]

約数ペア:
[(1, 21271597920), (2, 10635798960), (3, 7090532640), (4, 5317899480), (5, 4254319584), (6, 3545266320), (8, 2658949740), (9, 2363510880), (10, 2127159792), (12, 1772633160), (15, 1418106528), (16, 1329474870), (18, 1181755440), (20, 1063579896), (24, 886316580), (27, 787836960), (30, 709053264), (32, 664737435), (36, 590877720), (40, 531789948), (45, 472702176), (48, 443158290), (54, 393918480), (60, 354526632), (61, 348714720), (72, 295438860), (80, 265894974), (81, 262612320), (90, 236351088), (96, 221579145), (108, 196959240), (120, 177263316), (122, 174357360), (135, 157567392), (144, 147719430), (160, 132947487), (162, 131306160), (180, 118175544), (183, 116238240), (216, 98479620), (240, 88631658), (243, 87537440), (244, 87178680), (270, 78783696), (288, 73859715), (305, 69742944), (324, 65653080), (360, 59087772), (366, 58119120), (405, 52522464), (432, 49239810), (480, 44315829), (486, 43768720), (488, 43589340), (540, 39391848), (549, 38746080), (610, 34871472), (648, 32826540), (720, 29543886), (732, 29059560), (810, 26261232), (864, 24619905), (915, 23247648), (972, 21884360), (976, 21794670), (1080, 19695924), (1098, 19373040), (1215, 17507488), (1220, 17435736), (1296, 16413270), (1440, 14771943), (1464, 14529780), (1620, 13130616), (1647, 12915360), (1830, 11623824), (1944, 10942180), (1952, 10897335), (2160, 9847962), (2196, 9686520), (2430, 8753744), (2440, 8717868), (2592, 8206635), (2745, 7749216), (2928, 7264890), (3240, 6565308), (3294, 6457680), (3660, 5811912), (3888, 5471090), (4320, 4923981), (4392, 4843260), (4860, 4376872), (4880, 4358934), (4941, 4305120), (5490, 3874608), (5856, 3632445), (6480, 3282654), (6588, 3228840), (7320, 2905956), (7776, 2735545), (8235, 2583072), (8784, 2421630), (8969, 2371680), (9720, 2188436), (9760, 2179467), (9882, 2152560), (10980, 1937304), (12960, 1641327), (13176, 1614420), (14640, 1452978), (14823, 1435040), (16470, 1291536), (17568, 1210815), (17938, 1185840), (19440, 1094218), (19764, 1076280), (21960, 968652), (24705, 861024), (26352, 807210), (26907, 790560), (29280, 726489), (29646, 717520), (32940, 645768), (35876, 592920), (38880, 547109), (39528, 538140), (43920, 484326), (44845, 474336), (49410, 430512), (52704, 403605), (53814, 395280), (59292, 358760), (65880, 322884), (71752, 296460), (74115, 287008), (79056, 269070), (80721, 263520), (87840, 242163), (89690, 237168), (98820, 215256), (107628, 197640), (118584, 179380), (131760, 161442), (134535, 158112), (143504, 148230)]

このpageの処理時間: 0.3325519561767578 seconds