21945168

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 200

約数和(自身を含む): 75620160

約数和(自身を除く): 53674992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 41, 42, 48, 54, 56, 59, 63, 72, 81, 82, 84, 108, 112, 118, 123, 126, 144, 162, 164, 168, 177, 189, 216, 236, 246, 252, 287, 324, 328, 336, 354, 369, 378, 413, 432, 472, 492, 504, 531, 567, 574, 648, 656, 708, 738, 756, 826, 861, 944, 984, 1008, 1062, 1107, 1134, 1148, 1239, 1296, 1416, 1476, 1512, 1593, 1652, 1722, 1968, 2124, 2214, 2268, 2296, 2419, 2478, 2583, 2832, 2952, 3024, 3186, 3304, 3321, 3444, 3717, 4248, 4428, 4536, 4592, 4779, 4838, 4956, 5166, 5904, 6372, 6608, 6642, 6888, 7257, 7434, 7749, 8496, 8856, 9072, 9558, 9676, 9912, 10332, 11151, 12744, 13284, 13776, 14514, 14868, 15498, 16933, 17712, 19116, 19352, 19824, 20664, 21771, 22302, 23247, 25488, 26568, 29028, 29736, 30996, 33453, 33866, 38232, 38704, 41328, 43542, 44604, 46494, 50799, 53136, 58056, 59472, 61992, 65313, 66906, 67732, 76464, 87084, 89208, 92988, 101598, 116112, 123984, 130626, 133812, 135464, 152397, 174168, 178416, 185976, 195939, 203196, 261252, 267624, 270928, 304794, 348336, 371952, 391878, 406392, 457191, 522504, 535248, 609588, 783756, 812784, 914382, 1045008, 1219176, 1371573, 1567512, 1828764, 2438352, 2743146, 3135024, 3657528, 5486292, 7315056, 10972584, 21945168]

約数ペア:

[(1, 21945168), (2, 10972584), (3, 7315056), (4, 5486292), (6, 3657528), (7, 3135024), (8, 2743146), (9, 2438352), (12, 1828764), (14, 1567512), (16, 1371573), (18, 1219176), (21, 1045008), (24, 914382), (27, 812784), (28, 783756), (36, 609588), (41, 535248), (42, 522504), (48, 457191), (54, 406392), (56, 391878), (59, 371952), (63, 348336), (72, 304794), (81, 270928), (82, 267624), (84, 261252), (108, 203196), (112, 195939), (118, 185976), (123, 178416), (126, 174168), (144, 152397), (162, 135464), (164, 133812), (168, 130626), (177, 123984), (189, 116112), (216, 101598), (236, 92988), (246, 89208), (252, 87084), (287, 76464), (324, 67732), (328, 66906), (336, 65313), (354, 61992), (369, 59472), (378, 58056), (413, 53136), (432, 50799), (472, 46494), (492, 44604), (504, 43542), (531, 41328), (567, 38704), (574, 38232), (648, 33866), (656, 33453), (708, 30996), (738, 29736), (756, 29028), (826, 26568), (861, 25488), (944, 23247), (984, 22302), (1008, 21771), (1062, 20664), (1107, 19824), (1134, 19352), (1148, 19116), (1239, 17712), (1296, 16933), (1416, 15498), (1476, 14868), (1512, 14514), (1593, 13776), (1652, 13284), (1722, 12744), (1968, 11151), (2124, 10332), (2214, 9912), (2268, 9676), (2296, 9558), (2419, 9072), (2478, 8856), (2583, 8496), (2832, 7749), (2952, 7434), (3024, 7257), (3186, 6888), (3304, 6642), (3321, 6608), (3444, 6372), (3717, 5904), (4248, 5166), (4428, 4956), (4536, 4838), (4592, 4779)]