21228858

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 56142720

約数和(自身を除く): 34913862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 71, 98, 113, 126, 142, 147, 189, 213, 226, 294, 339, 378, 426, 441, 497, 639, 678, 791, 882, 994, 1017, 1278, 1323, 1491, 1582, 1917, 2034, 2373, 2646, 2982, 3051, 3479, 3834, 4473, 4746, 5537, 6102, 6958, 7119, 8023, 8946, 10437, 11074, 13419, 14238, 16046, 16611, 20874, 21357, 24069, 26838, 31311, 33222, 42714, 48138, 49833, 56161, 62622, 72207, 93933, 99666, 112322, 144414, 149499, 168483, 187866, 216621, 298998, 336966, 393127, 433242, 505449, 786254, 1010898, 1179381, 1516347, 2358762, 3032694, 3538143, 7076286, 10614429, 21228858]

約数ペア:

[(1, 21228858), (2, 10614429), (3, 7076286), (6, 3538143), (7, 3032694), (9, 2358762), (14, 1516347), (18, 1179381), (21, 1010898), (27, 786254), (42, 505449), (49, 433242), (54, 393127), (63, 336966), (71, 298998), (98, 216621), (113, 187866), (126, 168483), (142, 149499), (147, 144414), (189, 112322), (213, 99666), (226, 93933), (294, 72207), (339, 62622), (378, 56161), (426, 49833), (441, 48138), (497, 42714), (639, 33222), (678, 31311), (791, 26838), (882, 24069), (994, 21357), (1017, 20874), (1278, 16611), (1323, 16046), (1491, 14238), (1582, 13419), (1917, 11074), (2034, 10437), (2373, 8946), (2646, 8023), (2982, 7119), (3051, 6958), (3479, 6102), (3834, 5537), (4473, 4746)]