21015133776

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1523}}^1$

素因数の和:1582

約数の個数: 420

約数和(自身を含む): 75597581088

約数和(自身を除く): 54582447312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 112, 117, 126, 144, 156, 162, 168, 169, 182, 189, 208, 216, 234, 243, 252, 273, 312, 324, 336, 338, 351, 364, 378, 432, 468, 486, 504, 507, 546, 567, 624, 648, 676, 702, 728, 729, 756, 819, 936, 972, 1008, 1014, 1053, 1092, 1134, 1183, 1296, 1352, 1404, 1456, 1458, 1512, 1521, 1523, 1638, 1701, 1872, 1944, 2028, 2106, 2184, 2268, 2366, 2457, 2704, 2808, 2916, 3024, 3042, 3046, 3159, 3276, 3402, 3549, 3888, 4056, 4212, 4368, 4536, 4563, 4569, 4732, 4914, 5103, 5616, 5832, 6084, 6092, 6318, 6552, 6804, 7098, 7371, 8112, 8424, 9072, 9126, 9138, 9464, 9477, 9828, 10206, 10647, 10661, 11664, 12168, 12184, 12636, 13104, 13608, 13689, 13707, 14196, 14742, 16848, 18252, 18276, 18928, 18954, 19656, 19799, 20412, 21294, 21322, 22113, 24336, 24368, 25272, 27216, 27378, 27414, 28392, 29484, 31941, 31983, 36504, 36552, 37908, 39312, 39598, 40824, 41067, 41121, 42588, 42644, 44226, 50544, 54756, 54828, 56784, 58968, 59397, 63882, 63966, 66339, 73008, 73104, 75816, 79196, 81648, 82134, 82242, 85176, 85288, 88452, 95823, 95949, 109512, 109656, 117936, 118794, 123201, 123363, 127764, 127932, 132678, 138593, 151632, 158392, 164268, 164484, 170352, 170576, 176904, 178191, 191646, 191898, 219024, 219312, 237588, 246402, 246726, 255528, 255864, 257387, 265356, 277186, 287469, 287847, 316784, 328536, 328968, 353808, 356382, 370089, 383292, 383796, 415779, 475176, 492804, 493452, 511056, 511728, 514774, 530712, 534573, 554372, 574938, 575694, 657072, 657936, 712764, 740178, 766584, 767592, 772161, 831558, 862407, 863541, 950352, 985608, 986904, 1029548, 1061424, 1069146, 1108744, 1110267, 1149876, 1151388, 1247337, 1425528, 1480356, 1533168, 1535184, 1544322, 1603719, 1663116, 1724814, 1727082, 1801709, 1971216, 1973808, 2059096, 2138292, 2217488, 2220534, 2299752, 2302776, 2316483, 2494674, 2590623, 2851056, 2960712, 3088644, 3207438, 3326232, 3449628, 3454164, 3603418, 3742011, 4118192, 4276584, 4441068, 4599504, 4605552, 4632966, 4811157, 4989348, 5181246, 5405127, 5921424, 6177288, 6414876, 6652464, 6899256, 6908328, 6949449, 7206836, 7484022, 7771869, 8553168, 8882136, 9265932, 9622314, 9978696, 10362492, 10810254, 11226033, 12354576, 12829752, 13798512, 13816656, 13898898, 14413672, 14433471, 14968044, 15543738, 16215381, 17764272, 18531864, 19244628, 19957392, 20724984, 20848347, 21620508, 22452066, 25659504, 27797796, 28827344, 28866942, 29936088, 31087476, 32430762, 33678099, 37063728, 38489256, 41449968, 41696694, 43241016, 44904132, 48646143, 55595592, 57733884, 59872176, 62174952, 62545041, 64861524, 67356198, 76978512, 83393388, 86482032, 89808264, 97292286, 101034297, 111191184, 115467768, 124349904, 125090082, 129723048, 134712396, 145938429, 166786776, 179616528, 187635123, 194584572, 202068594, 230935536, 250180164, 259446096, 269424792, 291876858, 333573552, 375270246, 389169144, 404137188, 437815287, 500360328, 538849584, 583753716, 750540492, 778338288, 808274376, 875630574, 1000720656, 1167507432, 1313445861, 1501080984, 1616548752, 1751261148, 2335014864, 2626891722, 3002161968, 3502522296, 5253783444, 7005044592, 10507566888, 21015133776]

約数ペア:

[(1, 21015133776), (2, 10507566888), (3, 7005044592), (4, 5253783444), (6, 3502522296), (7, 3002161968), (8, 2626891722), (9, 2335014864), (12, 1751261148), (13, 1616548752), (14, 1501080984), (16, 1313445861), (18, 1167507432), (21, 1000720656), (24, 875630574), (26, 808274376), (27, 778338288), (28, 750540492), (36, 583753716), (39, 538849584), (42, 500360328), (48, 437815287), (52, 404137188), (54, 389169144), (56, 375270246), (63, 333573552), (72, 291876858), (78, 269424792), (81, 259446096), (84, 250180164), (91, 230935536), (104, 202068594), (108, 194584572), (112, 187635123), (117, 179616528), (126, 166786776), (144, 145938429), (156, 134712396), (162, 129723048), (168, 125090082), (169, 124349904), (182, 115467768), (189, 111191184), (208, 101034297), (216, 97292286), (234, 89808264), (243, 86482032), (252, 83393388), (273, 76978512), (312, 67356198), (324, 64861524), (336, 62545041), (338, 62174952), (351, 59872176), (364, 57733884), (378, 55595592), (432, 48646143), (468, 44904132), (486, 43241016), (504, 41696694), (507, 41449968), (546, 38489256), (567, 37063728), (624, 33678099), (648, 32430762), (676, 31087476), (702, 29936088), (728, 28866942), (729, 28827344), (756, 27797796), (819, 25659504), (936, 22452066), (972, 21620508), (1008, 20848347), (1014, 20724984), (1053, 19957392), (1092, 19244628), (1134, 18531864), (1183, 17764272), (1296, 16215381), (1352, 15543738), (1404, 14968044), (1456, 14433471), (1458, 14413672), (1512, 13898898), (1521, 13816656), (1523, 13798512), (1638, 12829752), (1701, 12354576), (1872, 11226033), (1944, 10810254), (2028, 10362492), (2106, 9978696), (2184, 9622314), (2268, 9265932), (2366, 8882136), (2457, 8553168), (2704, 7771869), (2808, 7484022), (2916, 7206836), (3024, 6949449), (3042, 6908328), (3046, 6899256), (3159, 6652464), (3276, 6414876), (3402, 6177288), (3549, 5921424), (3888, 5405127), (4056, 5181246), (4212, 4989348), (4368, 4811157), (4536, 4632966), (4563, 4605552), (4569, 4599504), (4732, 4441068), (4914, 4276584), (5103, 4118192), (5616, 3742011), (5832, 3603418), (6084, 3454164), (6092, 3449628), (6318, 3326232), (6552, 3207438), (6804, 3088644), (7098, 2960712), (7371, 2851056), (8112, 2590623), (8424, 2494674), (9072, 2316483), (9126, 2302776), (9138, 2299752), (9464, 2220534), (9477, 2217488), (9828, 2138292), (10206, 2059096), (10647, 1973808), (10661, 1971216), (11664, 1801709), (12168, 1727082), (12184, 1724814), (12636, 1663116), (13104, 1603719), (13608, 1544322), (13689, 1535184), (13707, 1533168), (14196, 1480356), (14742, 1425528), (16848, 1247337), (18252, 1151388), (18276, 1149876), (18928, 1110267), (18954, 1108744), (19656, 1069146), (19799, 1061424), (20412, 1029548), (21294, 986904), (21322, 985608), (22113, 950352), (24336, 863541), (24368, 862407), (25272, 831558), (27216, 772161), (27378, 767592), (27414, 766584), (28392, 740178), (29484, 712764), (31941, 657936), (31983, 657072), (36504, 575694), (36552, 574938), (37908, 554372), (39312, 534573), (39598, 530712), (40824, 514774), (41067, 511728), (41121, 511056), (42588, 493452), (42644, 492804), (44226, 475176), (50544, 415779), (54756, 383796), (54828, 383292), (56784, 370089), (58968, 356382), (59397, 353808), (63882, 328968), (63966, 328536), (66339, 316784), (73008, 287847), (73104, 287469), (75816, 277186), (79196, 265356), (81648, 257387), (82134, 255864), (82242, 255528), (85176, 246726), (85288, 246402), (88452, 237588), (95823, 219312), (95949, 219024), (109512, 191898), (109656, 191646), (117936, 178191), (118794, 176904), (123201, 170576), (123363, 170352), (127764, 164484), (127932, 164268), (132678, 158392), (138593, 151632)]