21272991831

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:486

約数の個数: 192

約数和(自身を含む): 41149588480

約数和(自身を除く): 19876596649

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 61, 63, 73, 91, 117, 133, 171, 183, 219, 247, 273, 307, 399, 427, 511, 549, 657, 741, 793, 819, 921, 949, 1159, 1197, 1281, 1387, 1533, 1729, 2149, 2223, 2379, 2763, 2847, 3477, 3843, 3991, 4161, 4453, 4599, 5187, 5551, 5833, 6447, 6643, 7137, 8113, 8541, 9709, 10431, 11973, 12483, 13359, 15067, 15561, 16653, 17499, 18031, 18727, 19341, 19929, 22411, 24339, 27937, 29127, 31171, 35919, 40077, 40831, 45201, 49959, 52497, 54093, 56181, 57889, 59787, 67233, 73017, 75829, 83811, 84607, 87381, 93513, 105469, 122493, 126217, 131089, 135603, 156877, 162279, 168543, 173667, 201699, 227487, 243451, 251433, 253821, 280539, 291343, 316407, 355813, 367479, 378651, 393267, 405223, 425809, 470631, 521001, 530803, 592249, 682461, 730353, 761463, 874029, 949221, 1067439, 1099891, 1135953, 1179801, 1215669, 1277427, 1367071, 1411893, 1592409, 1704157, 1776747, 2039401, 2191059, 2490691, 2622087, 2980663, 3202317, 3299673, 3647007, 3832281, 4101213, 4625569, 4777227, 5112471, 5330241, 5535517, 6118203, 7472073, 7699237, 8941989, 9569497, 9899019, 12303639, 13876707, 15337413, 16606551, 17771923, 18354609, 22416219, 23097711, 25974349, 26825967, 28708491, 32378983, 38748619, 41630121, 49819653, 53315769, 69293133, 77923047, 86125473, 97136949, 116245857, 124403461, 159947307, 181820443, 233769141, 291410847, 337666537, 348737571, 373210383, 545461329, 1012999611, 1119631149, 1636383987, 2363665759, 3038998833, 7090997277, 21272991831]

約数ペア:

[(1, 21272991831), (3, 7090997277), (7, 3038998833), (9, 2363665759), (13, 1636383987), (19, 1119631149), (21, 1012999611), (39, 545461329), (57, 373210383), (61, 348737571), (63, 337666537), (73, 291410847), (91, 233769141), (117, 181820443), (133, 159947307), (171, 124403461), (183, 116245857), (219, 97136949), (247, 86125473), (273, 77923047), (307, 69293133), (399, 53315769), (427, 49819653), (511, 41630121), (549, 38748619), (657, 32378983), (741, 28708491), (793, 26825967), (819, 25974349), (921, 23097711), (949, 22416219), (1159, 18354609), (1197, 17771923), (1281, 16606551), (1387, 15337413), (1533, 13876707), (1729, 12303639), (2149, 9899019), (2223, 9569497), (2379, 8941989), (2763, 7699237), (2847, 7472073), (3477, 6118203), (3843, 5535517), (3991, 5330241), (4161, 5112471), (4453, 4777227), (4599, 4625569), (5187, 4101213), (5551, 3832281), (5833, 3647007), (6447, 3299673), (6643, 3202317), (7137, 2980663), (8113, 2622087), (8541, 2490691), (9709, 2191059), (10431, 2039401), (11973, 1776747), (12483, 1704157), (13359, 1592409), (15067, 1411893), (15561, 1367071), (16653, 1277427), (17499, 1215669), (18031, 1179801), (18727, 1135953), (19341, 1099891), (19929, 1067439), (22411, 949221), (24339, 874029), (27937, 761463), (29127, 730353), (31171, 682461), (35919, 592249), (40077, 530803), (40831, 521001), (45201, 470631), (49959, 425809), (52497, 405223), (54093, 393267), (56181, 378651), (57889, 367479), (59787, 355813), (67233, 316407), (73017, 291343), (75829, 280539), (83811, 253821), (84607, 251433), (87381, 243451), (93513, 227487), (105469, 201699), (122493, 173667), (126217, 168543), (131089, 162279), (135603, 156877)]