21000884814

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{27337}}^1$

素因数の和:27439

約数の個数: 144

約数和(自身を含む): 57855300048

約数和(自身を除く): 36854415234

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 67, 78, 91, 98, 117, 126, 134, 147, 182, 201, 234, 273, 294, 402, 441, 469, 546, 603, 637, 819, 871, 882, 938, 1206, 1274, 1407, 1638, 1742, 1911, 2613, 2814, 3283, 3822, 4221, 5226, 5733, 6097, 6566, 7839, 8442, 9849, 11466, 12194, 15678, 18291, 19698, 27337, 29547, 36582, 42679, 54674, 54873, 59094, 82011, 85358, 109746, 128037, 164022, 191359, 246033, 256074, 355381, 382718, 384111, 492066, 574077, 710762, 768222, 1066143, 1148154, 1339513, 1722231, 1831579, 2132286, 2487667, 2679026, 3198429, 3444462, 3663158, 4018539, 4975334, 5494737, 6396858, 7463001, 8037078, 10989474, 12055617, 12821053, 14926002, 16484211, 17413669, 22389003, 23810527, 24111234, 25642106, 32968422, 34827338, 38463159, 44778006, 47621054, 52241007, 71431581, 76926318, 89747371, 104482014, 115389477, 142863162, 156723021, 166673689, 179494742, 214294743, 230778954, 269242113, 313446042, 333347378, 428589486, 500021067, 538484226, 807726339, 1000042134, 1166715823, 1500063201, 1615452678, 2333431646, 3000126402, 3500147469, 7000294938, 10500442407, 21000884814]

約数ペア:

[(1, 21000884814), (2, 10500442407), (3, 7000294938), (6, 3500147469), (7, 3000126402), (9, 2333431646), (13, 1615452678), (14, 1500063201), (18, 1166715823), (21, 1000042134), (26, 807726339), (39, 538484226), (42, 500021067), (49, 428589486), (63, 333347378), (67, 313446042), (78, 269242113), (91, 230778954), (98, 214294743), (117, 179494742), (126, 166673689), (134, 156723021), (147, 142863162), (182, 115389477), (201, 104482014), (234, 89747371), (273, 76926318), (294, 71431581), (402, 52241007), (441, 47621054), (469, 44778006), (546, 38463159), (603, 34827338), (637, 32968422), (819, 25642106), (871, 24111234), (882, 23810527), (938, 22389003), (1206, 17413669), (1274, 16484211), (1407, 14926002), (1638, 12821053), (1742, 12055617), (1911, 10989474), (2613, 8037078), (2814, 7463001), (3283, 6396858), (3822, 5494737), (4221, 4975334), (5226, 4018539), (5733, 3663158), (6097, 3444462), (6566, 3198429), (7839, 2679026), (8442, 2487667), (9849, 2132286), (11466, 1831579), (12194, 1722231), (15678, 1339513), (18291, 1148154), (19698, 1066143), (27337, 768222), (29547, 710762), (36582, 574077), (42679, 492066), (54674, 384111), (54873, 382718), (59094, 355381), (82011, 256074), (85358, 246033), (109746, 191359), (128037, 164022)]