21875952

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 67174272

約数和(自身を除く): 45298320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 71, 84, 98, 112, 131, 142, 147, 168, 196, 213, 262, 284, 294, 336, 392, 393, 426, 497, 524, 568, 588, 784, 786, 852, 917, 994, 1048, 1136, 1176, 1491, 1572, 1704, 1834, 1988, 2096, 2352, 2751, 2982, 3144, 3408, 3479, 3668, 3976, 5502, 5964, 6288, 6419, 6958, 7336, 7952, 9301, 10437, 11004, 11928, 12838, 13916, 14672, 18602, 19257, 20874, 22008, 23856, 25676, 27832, 27903, 37204, 38514, 41748, 44016, 51352, 55664, 55806, 65107, 74408, 77028, 83496, 102704, 111612, 130214, 148816, 154056, 166992, 195321, 223224, 260428, 308112, 390642, 446448, 455749, 520856, 781284, 911498, 1041712, 1367247, 1562568, 1822996, 2734494, 3125136, 3645992, 5468988, 7291984, 10937976, 21875952]

約数ペア:

[(1, 21875952), (2, 10937976), (3, 7291984), (4, 5468988), (6, 3645992), (7, 3125136), (8, 2734494), (12, 1822996), (14, 1562568), (16, 1367247), (21, 1041712), (24, 911498), (28, 781284), (42, 520856), (48, 455749), (49, 446448), (56, 390642), (71, 308112), (84, 260428), (98, 223224), (112, 195321), (131, 166992), (142, 154056), (147, 148816), (168, 130214), (196, 111612), (213, 102704), (262, 83496), (284, 77028), (294, 74408), (336, 65107), (392, 55806), (393, 55664), (426, 51352), (497, 44016), (524, 41748), (568, 38514), (588, 37204), (784, 27903), (786, 27832), (852, 25676), (917, 23856), (994, 22008), (1048, 20874), (1136, 19257), (1176, 18602), (1491, 14672), (1572, 13916), (1704, 12838), (1834, 11928), (1988, 11004), (2096, 10437), (2352, 9301), (2751, 7952), (2982, 7336), (3144, 6958), (3408, 6419), (3479, 6288), (3668, 5964), (3976, 5502)]