21170578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 37820160

約数和(自身を除く): 16649582

約数列:

[1, 2, 11, 13, 22, 26, 79, 143, 158, 286, 869, 937, 1027, 1738, 1874, 2054, 10307, 11297, 12181, 20614, 22594, 24362, 74023, 133991, 148046, 267982, 814253, 962299, 1628506, 1924598, 10585289, 21170578]

約数ペア:

[(1, 21170578), (2, 10585289), (11, 1924598), (13, 1628506), (22, 962299), (26, 814253), (79, 267982), (143, 148046), (158, 133991), (286, 74023), (869, 24362), (937, 22594), (1027, 20614), (1738, 12181), (1874, 11297), (2054, 10307)]