21395649744

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{138731}}^1$

素因数の和:138775

約数の個数: 200

約数和(自身を含む): 74935257408

約数和(自身を除く): 53539607664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 81, 84, 102, 108, 112, 119, 126, 136, 144, 153, 162, 168, 189, 204, 216, 238, 252, 272, 306, 324, 336, 357, 378, 408, 432, 459, 476, 504, 567, 612, 648, 714, 756, 816, 918, 952, 1008, 1071, 1134, 1224, 1296, 1377, 1428, 1512, 1836, 1904, 2142, 2268, 2448, 2754, 2856, 3024, 3213, 3672, 4284, 4536, 5508, 5712, 6426, 7344, 8568, 9072, 9639, 11016, 12852, 17136, 19278, 22032, 25704, 38556, 51408, 77112, 138731, 154224, 277462, 416193, 554924, 832386, 971117, 1109848, 1248579, 1664772, 1942234, 2219696, 2358427, 2497158, 2913351, 3329544, 3745737, 3884468, 4716854, 4994316, 5826702, 6659088, 7075281, 7491474, 7768936, 8740053, 9433708, 9988632, 11237211, 11653404, 14150562, 14982948, 15537872, 16508989, 17480106, 18867416, 19977264, 21225843, 22474422, 23306808, 26220159, 28301124, 29965896, 33017978, 34960212, 37734832, 42451686, 44948844, 46613616, 49526967, 52440318, 56602248, 59931792, 63677529, 66035956, 69920424, 78660477, 84903372, 89897688, 99053934, 104880636, 113204496, 127355058, 132071912, 139840848, 148580901, 157320954, 169806744, 179795376, 191032587, 198107868, 209761272, 254710116, 264143824, 297161802, 314641908, 339613488, 382065174, 396215736, 419522544, 445742703, 509420232, 594323604, 629283816, 764130348, 792431472, 891485406, 1018840464, 1188647208, 1258567632, 1337228109, 1528260696, 1782970812, 2377294416, 2674456218, 3056521392, 3565941624, 5348912436, 7131883248, 10697824872, 21395649744]

約数ペア:

[(1, 21395649744), (2, 10697824872), (3, 7131883248), (4, 5348912436), (6, 3565941624), (7, 3056521392), (8, 2674456218), (9, 2377294416), (12, 1782970812), (14, 1528260696), (16, 1337228109), (17, 1258567632), (18, 1188647208), (21, 1018840464), (24, 891485406), (27, 792431472), (28, 764130348), (34, 629283816), (36, 594323604), (42, 509420232), (48, 445742703), (51, 419522544), (54, 396215736), (56, 382065174), (63, 339613488), (68, 314641908), (72, 297161802), (81, 264143824), (84, 254710116), (102, 209761272), (108, 198107868), (112, 191032587), (119, 179795376), (126, 169806744), (136, 157320954), (144, 148580901), (153, 139840848), (162, 132071912), (168, 127355058), (189, 113204496), (204, 104880636), (216, 99053934), (238, 89897688), (252, 84903372), (272, 78660477), (306, 69920424), (324, 66035956), (336, 63677529), (357, 59931792), (378, 56602248), (408, 52440318), (432, 49526967), (459, 46613616), (476, 44948844), (504, 42451686), (567, 37734832), (612, 34960212), (648, 33017978), (714, 29965896), (756, 28301124), (816, 26220159), (918, 23306808), (952, 22474422), (1008, 21225843), (1071, 19977264), (1134, 18867416), (1224, 17480106), (1296, 16508989), (1377, 15537872), (1428, 14982948), (1512, 14150562), (1836, 11653404), (1904, 11237211), (2142, 9988632), (2268, 9433708), (2448, 8740053), (2754, 7768936), (2856, 7491474), (3024, 7075281), (3213, 6659088), (3672, 5826702), (4284, 4994316), (4536, 4716854), (5508, 3884468), (5712, 3745737), (6426, 3329544), (7344, 2913351), (8568, 2497158), (9072, 2358427), (9639, 2219696), (11016, 1942234), (12852, 1664772), (17136, 1248579), (19278, 1109848), (22032, 971117), (25704, 832386), (38556, 554924), (51408, 416193), (77112, 277462), (138731, 154224)]