21397068

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 50856372

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 31, 33, 36, 42, 44, 54, 62, 63, 66, 77, 83, 84, 93, 99, 108, 124, 126, 132, 154, 166, 186, 189, 198, 217, 231, 249, 252, 279, 297, 308, 332, 341, 372, 378, 396, 434, 462, 498, 558, 581, 594, 651, 682, 693, 747, 756, 837, 868, 913, 924, 996, 1023, 1116, 1162, 1188, 1302, 1364, 1386, 1494, 1674, 1743, 1826, 1953, 2046, 2079, 2241, 2324, 2387, 2573, 2604, 2739, 2772, 2988, 3069, 3348, 3486, 3652, 3906, 4092, 4158, 4482, 4774, 5146, 5229, 5478, 5859, 6138, 6391, 6972, 7161, 7719, 7812, 8217, 8316, 8964, 9207, 9548, 10292, 10458, 10956, 11718, 12276, 12782, 14322, 15438, 15687, 16434, 18011, 18414, 19173, 20916, 21483, 23157, 23436, 24651, 25564, 28303, 28644, 30876, 31374, 32868, 36022, 36828, 38346, 42966, 46314, 49302, 54033, 56606, 57519, 62748, 64449, 69471, 72044, 76692, 84909, 85932, 92628, 98604, 108066, 113212, 115038, 128898, 138942, 162099, 169818, 172557, 198121, 216132, 230076, 254727, 257796, 277884, 324198, 339636, 345114, 396242, 486297, 509454, 594363, 648396, 690228, 764181, 792484, 972594, 1018908, 1188726, 1528362, 1783089, 1945188, 2377452, 3056724, 3566178, 5349267, 7132356, 10698534, 21397068]

約数ペア:

[(1, 21397068), (2, 10698534), (3, 7132356), (4, 5349267), (6, 3566178), (7, 3056724), (9, 2377452), (11, 1945188), (12, 1783089), (14, 1528362), (18, 1188726), (21, 1018908), (22, 972594), (27, 792484), (28, 764181), (31, 690228), (33, 648396), (36, 594363), (42, 509454), (44, 486297), (54, 396242), (62, 345114), (63, 339636), (66, 324198), (77, 277884), (83, 257796), (84, 254727), (93, 230076), (99, 216132), (108, 198121), (124, 172557), (126, 169818), (132, 162099), (154, 138942), (166, 128898), (186, 115038), (189, 113212), (198, 108066), (217, 98604), (231, 92628), (249, 85932), (252, 84909), (279, 76692), (297, 72044), (308, 69471), (332, 64449), (341, 62748), (372, 57519), (378, 56606), (396, 54033), (434, 49302), (462, 46314), (498, 42966), (558, 38346), (581, 36828), (594, 36022), (651, 32868), (682, 31374), (693, 30876), (747, 28644), (756, 28303), (837, 25564), (868, 24651), (913, 23436), (924, 23157), (996, 21483), (1023, 20916), (1116, 19173), (1162, 18414), (1188, 18011), (1302, 16434), (1364, 15687), (1386, 15438), (1494, 14322), (1674, 12782), (1743, 12276), (1826, 11718), (1953, 10956), (2046, 10458), (2079, 10292), (2241, 9548), (2324, 9207), (2387, 8964), (2573, 8316), (2604, 8217), (2739, 7812), (2772, 7719), (2988, 7161), (3069, 6972), (3348, 6391), (3486, 6138), (3652, 5859), (3906, 5478), (4092, 5229), (4158, 5146), (4482, 4774)]