21428998416

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{38723}}^1$

素因数の和:38811

約数の個数: 200

約数和(自身を含む): 72045847104

約数和(自身を除く): 50616848688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 61, 63, 72, 81, 84, 108, 112, 122, 126, 144, 162, 168, 183, 189, 216, 244, 252, 324, 336, 366, 378, 427, 432, 488, 504, 549, 567, 648, 732, 756, 854, 976, 1008, 1098, 1134, 1281, 1296, 1464, 1512, 1647, 1708, 2196, 2268, 2562, 2928, 3024, 3294, 3416, 3843, 4392, 4536, 4941, 5124, 6588, 6832, 7686, 8784, 9072, 9882, 10248, 11529, 13176, 15372, 19764, 20496, 23058, 26352, 30744, 34587, 38723, 39528, 46116, 61488, 69174, 77446, 79056, 92232, 116169, 138348, 154892, 184464, 232338, 271061, 276696, 309784, 348507, 464676, 542122, 553392, 619568, 697014, 813183, 929352, 1045521, 1084244, 1394028, 1626366, 1858704, 2091042, 2168488, 2362103, 2439549, 2788056, 3136563, 3252732, 4182084, 4336976, 4724206, 4879098, 5576112, 6273126, 6505464, 7086309, 7318647, 8364168, 9448412, 9758196, 12546252, 13010928, 14172618, 14637294, 16534721, 16728336, 18896824, 19516392, 21258927, 21955941, 25092504, 28345236, 29274588, 33069442, 37793648, 39032784, 42517854, 43911882, 49604163, 50185008, 56690472, 58549176, 63776781, 66138884, 85035708, 87823764, 99208326, 113380944, 117098352, 127553562, 132277768, 148812489, 170071416, 175647528, 191330343, 198416652, 255107124, 264555536, 297624978, 340142832, 351295056, 382660686, 396833304, 446437467, 510214248, 595249956, 765321372, 793666608, 892874934, 1020428496, 1190499912, 1339312401, 1530642744, 1785749868, 2380999824, 2678624802, 3061285488, 3571499736, 5357249604, 7142999472, 10714499208, 21428998416]

約数ペア:

[(1, 21428998416), (2, 10714499208), (3, 7142999472), (4, 5357249604), (6, 3571499736), (7, 3061285488), (8, 2678624802), (9, 2380999824), (12, 1785749868), (14, 1530642744), (16, 1339312401), (18, 1190499912), (21, 1020428496), (24, 892874934), (27, 793666608), (28, 765321372), (36, 595249956), (42, 510214248), (48, 446437467), (54, 396833304), (56, 382660686), (61, 351295056), (63, 340142832), (72, 297624978), (81, 264555536), (84, 255107124), (108, 198416652), (112, 191330343), (122, 175647528), (126, 170071416), (144, 148812489), (162, 132277768), (168, 127553562), (183, 117098352), (189, 113380944), (216, 99208326), (244, 87823764), (252, 85035708), (324, 66138884), (336, 63776781), (366, 58549176), (378, 56690472), (427, 50185008), (432, 49604163), (488, 43911882), (504, 42517854), (549, 39032784), (567, 37793648), (648, 33069442), (732, 29274588), (756, 28345236), (854, 25092504), (976, 21955941), (1008, 21258927), (1098, 19516392), (1134, 18896824), (1281, 16728336), (1296, 16534721), (1464, 14637294), (1512, 14172618), (1647, 13010928), (1708, 12546252), (2196, 9758196), (2268, 9448412), (2562, 8364168), (2928, 7318647), (3024, 7086309), (3294, 6505464), (3416, 6273126), (3843, 5576112), (4392, 4879098), (4536, 4724206), (4941, 4336976), (5124, 4182084), (6588, 3252732), (6832, 3136563), (7686, 2788056), (8784, 2439549), (9072, 2362103), (9882, 2168488), (10248, 2091042), (11529, 1858704), (13176, 1626366), (15372, 1394028), (19764, 1084244), (20496, 1045521), (23058, 929352), (26352, 813183), (30744, 697014), (34587, 619568), (38723, 553392), (39528, 542122), (46116, 464676), (61488, 348507), (69174, 309784), (77446, 276696), (79056, 271061), (92232, 232338), (116169, 184464), (138348, 154892)]