21170856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5518

約数の個数: 64

約数和(自身を含む): 63129600

約数和(自身を除く): 41958744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 5479, 10958, 16437, 21916, 32874, 38353, 43832, 65748, 76706, 115059, 126017, 131496, 153412, 230118, 252034, 306824, 378051, 460236, 504068, 756102, 882119, 920472, 1008136, 1512204, 1764238, 2646357, 3024408, 3528476, 5292714, 7056952, 10585428, 21170856]

約数ペア:

[(1, 21170856), (2, 10585428), (3, 7056952), (4, 5292714), (6, 3528476), (7, 3024408), (8, 2646357), (12, 1764238), (14, 1512204), (21, 1008136), (23, 920472), (24, 882119), (28, 756102), (42, 504068), (46, 460236), (56, 378051), (69, 306824), (84, 252034), (92, 230118), (138, 153412), (161, 131496), (168, 126017), (184, 115059), (276, 76706), (322, 65748), (483, 43832), (552, 38353), (644, 32874), (966, 21916), (1288, 16437), (1932, 10958), (3864, 5479)]