21000565404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5531}}^1$

素因数の和:5641

約数の個数: 288

約数和(自身を含む): 69913858560

約数和(自身を除く): 48913293156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 61, 63, 76, 78, 84, 91, 114, 117, 122, 126, 133, 156, 171, 182, 183, 228, 234, 244, 247, 252, 266, 273, 342, 364, 366, 399, 427, 468, 494, 532, 546, 549, 684, 732, 741, 793, 798, 819, 854, 988, 1092, 1098, 1159, 1197, 1281, 1482, 1586, 1596, 1638, 1708, 1729, 2196, 2223, 2318, 2379, 2394, 2562, 2964, 3172, 3276, 3458, 3477, 3843, 4446, 4636, 4758, 4788, 5124, 5187, 5531, 5551, 6916, 6954, 7137, 7686, 8113, 8892, 9516, 10374, 10431, 11062, 11102, 13908, 14274, 15067, 15372, 15561, 16226, 16593, 16653, 20748, 20862, 22124, 22204, 24339, 28548, 30134, 31122, 32452, 33186, 33306, 38717, 41724, 45201, 48678, 49779, 49959, 60268, 62244, 66372, 66612, 71903, 73017, 77434, 90402, 97356, 99558, 99918, 105089, 105469, 116151, 135603, 143806, 146034, 154868, 180804, 199116, 199836, 210178, 210938, 215709, 232302, 271206, 287612, 292068, 315267, 316407, 337391, 348453, 420356, 421876, 431418, 464604, 503321, 542412, 630534, 632814, 647127, 674782, 696906, 735623, 862836, 945801, 949221, 1006642, 1012173, 1261068, 1265628, 1294254, 1349564, 1366157, 1393812, 1471246, 1509963, 1891602, 1898442, 2013284, 2024346, 2206869, 2361737, 2588508, 2732314, 2942492, 3019926, 3036519, 3783204, 3796884, 4048692, 4098471, 4386083, 4413738, 4529889, 4723474, 5464628, 6039852, 6073038, 6410429, 6620607, 7085211, 8196942, 8772166, 8827476, 9059778, 9446948, 9563099, 12146076, 12295413, 12820858, 13158249, 13241214, 14170422, 16393884, 17544332, 18119556, 19126198, 19231287, 21255633, 24590826, 25641716, 26316498, 26482428, 28340844, 28689297, 30702581, 38252396, 38462574, 39474747, 42511266, 44873003, 49181652, 52632996, 57378594, 57693861, 61405162, 76925148, 78949494, 83335577, 85022532, 86067891, 89746006, 92107743, 114757188, 115387722, 122810324, 134619009, 157898988, 166671154, 172135782, 179492012, 184215486, 230775444, 250006731, 269238018, 276323229, 333342308, 344271564, 368430972, 403857027, 500013462, 538476036, 552646458, 583349039, 750020193, 807714054, 1000026924, 1105292916, 1166698078, 1500040386, 1615428108, 1750047117, 2333396156, 3000080772, 3500094234, 5250141351, 7000188468, 10500282702, 21000565404]

約数ペア:

[(1, 21000565404), (2, 10500282702), (3, 7000188468), (4, 5250141351), (6, 3500094234), (7, 3000080772), (9, 2333396156), (12, 1750047117), (13, 1615428108), (14, 1500040386), (18, 1166698078), (19, 1105292916), (21, 1000026924), (26, 807714054), (28, 750020193), (36, 583349039), (38, 552646458), (39, 538476036), (42, 500013462), (52, 403857027), (57, 368430972), (61, 344271564), (63, 333342308), (76, 276323229), (78, 269238018), (84, 250006731), (91, 230775444), (114, 184215486), (117, 179492012), (122, 172135782), (126, 166671154), (133, 157898988), (156, 134619009), (171, 122810324), (182, 115387722), (183, 114757188), (228, 92107743), (234, 89746006), (244, 86067891), (247, 85022532), (252, 83335577), (266, 78949494), (273, 76925148), (342, 61405162), (364, 57693861), (366, 57378594), (399, 52632996), (427, 49181652), (468, 44873003), (494, 42511266), (532, 39474747), (546, 38462574), (549, 38252396), (684, 30702581), (732, 28689297), (741, 28340844), (793, 26482428), (798, 26316498), (819, 25641716), (854, 24590826), (988, 21255633), (1092, 19231287), (1098, 19126198), (1159, 18119556), (1197, 17544332), (1281, 16393884), (1482, 14170422), (1586, 13241214), (1596, 13158249), (1638, 12820858), (1708, 12295413), (1729, 12146076), (2196, 9563099), (2223, 9446948), (2318, 9059778), (2379, 8827476), (2394, 8772166), (2562, 8196942), (2964, 7085211), (3172, 6620607), (3276, 6410429), (3458, 6073038), (3477, 6039852), (3843, 5464628), (4446, 4723474), (4636, 4529889), (4758, 4413738), (4788, 4386083), (5124, 4098471), (5187, 4048692), (5531, 3796884), (5551, 3783204), (6916, 3036519), (6954, 3019926), (7137, 2942492), (7686, 2732314), (8113, 2588508), (8892, 2361737), (9516, 2206869), (10374, 2024346), (10431, 2013284), (11062, 1898442), (11102, 1891602), (13908, 1509963), (14274, 1471246), (15067, 1393812), (15372, 1366157), (15561, 1349564), (16226, 1294254), (16593, 1265628), (16653, 1261068), (20748, 1012173), (20862, 1006642), (22124, 949221), (22204, 945801), (24339, 862836), (28548, 735623), (30134, 696906), (31122, 674782), (32452, 647127), (33186, 632814), (33306, 630534), (38717, 542412), (41724, 503321), (45201, 464604), (48678, 431418), (49779, 421876), (49959, 420356), (60268, 348453), (62244, 337391), (66372, 316407), (66612, 315267), (71903, 292068), (73017, 287612), (77434, 271206), (90402, 232302), (97356, 215709), (99558, 210938), (99918, 210178), (105089, 199836), (105469, 199116), (116151, 180804), (135603, 154868), (143806, 146034)]