21902076

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 168

約数和(自身を含む): 69777120

約数和(自身を除く): 47875044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 37, 42, 54, 58, 63, 74, 81, 84, 87, 108, 111, 116, 126, 148, 162, 174, 189, 203, 222, 243, 252, 259, 261, 324, 333, 348, 378, 406, 444, 486, 518, 522, 567, 609, 666, 729, 756, 777, 783, 812, 972, 999, 1036, 1044, 1073, 1134, 1218, 1332, 1458, 1554, 1566, 1701, 1827, 1998, 2146, 2268, 2331, 2349, 2436, 2916, 2997, 3108, 3132, 3219, 3402, 3654, 3996, 4292, 4662, 4698, 5103, 5481, 5994, 6438, 6804, 6993, 7047, 7308, 7511, 8991, 9324, 9396, 9657, 10206, 10962, 11988, 12876, 13986, 14094, 15022, 16443, 17982, 19314, 20412, 20979, 21141, 21924, 22533, 26973, 27972, 28188, 28971, 30044, 32886, 35964, 38628, 41958, 42282, 45066, 49329, 53946, 57942, 62937, 65772, 67599, 83916, 84564, 86913, 90132, 98658, 107892, 115884, 125874, 135198, 147987, 173826, 188811, 197316, 202797, 251748, 260739, 270396, 295974, 347652, 377622, 405594, 521478, 591948, 608391, 755244, 782217, 811188, 1042956, 1216782, 1564434, 1825173, 2433564, 3128868, 3650346, 5475519, 7300692, 10951038, 21902076]

約数ペア:

[(1, 21902076), (2, 10951038), (3, 7300692), (4, 5475519), (6, 3650346), (7, 3128868), (9, 2433564), (12, 1825173), (14, 1564434), (18, 1216782), (21, 1042956), (27, 811188), (28, 782217), (29, 755244), (36, 608391), (37, 591948), (42, 521478), (54, 405594), (58, 377622), (63, 347652), (74, 295974), (81, 270396), (84, 260739), (87, 251748), (108, 202797), (111, 197316), (116, 188811), (126, 173826), (148, 147987), (162, 135198), (174, 125874), (189, 115884), (203, 107892), (222, 98658), (243, 90132), (252, 86913), (259, 84564), (261, 83916), (324, 67599), (333, 65772), (348, 62937), (378, 57942), (406, 53946), (444, 49329), (486, 45066), (518, 42282), (522, 41958), (567, 38628), (609, 35964), (666, 32886), (729, 30044), (756, 28971), (777, 28188), (783, 27972), (812, 26973), (972, 22533), (999, 21924), (1036, 21141), (1044, 20979), (1073, 20412), (1134, 19314), (1218, 17982), (1332, 16443), (1458, 15022), (1554, 14094), (1566, 13986), (1701, 12876), (1827, 11988), (1998, 10962), (2146, 10206), (2268, 9657), (2331, 9396), (2349, 9324), (2436, 8991), (2916, 7511), (2997, 7308), (3108, 7047), (3132, 6993), (3219, 6804), (3402, 6438), (3654, 5994), (3996, 5481), (4292, 5103), (4662, 4698)]