21169448

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 40982760

約数和(自身を除く): 19813312

約数列:

[1, 2, 4, 8, 41, 82, 164, 233, 277, 328, 466, 554, 932, 1108, 1864, 2216, 9553, 11357, 19106, 22714, 38212, 45428, 64541, 76424, 90856, 129082, 258164, 516328, 2646181, 5292362, 10584724, 21169448]

約数ペア:

[(1, 21169448), (2, 10584724), (4, 5292362), (8, 2646181), (41, 516328), (82, 258164), (164, 129082), (233, 90856), (277, 76424), (328, 64541), (466, 45428), (554, 38212), (932, 22714), (1108, 19106), (1864, 11357), (2216, 9553)]