21841424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 46476192

約数和(自身を除く): 24634768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 193, 386, 643, 772, 1286, 1544, 2123, 2572, 3088, 4246, 5144, 7073, 8492, 10288, 14146, 16984, 28292, 33968, 56584, 113168, 124099, 248198, 496396, 992792, 1365089, 1985584, 2730178, 5460356, 10920712, 21841424]

約数ペア:

[(1, 21841424), (2, 10920712), (4, 5460356), (8, 2730178), (11, 1985584), (16, 1365089), (22, 992792), (44, 496396), (88, 248198), (176, 124099), (193, 113168), (386, 56584), (643, 33968), (772, 28292), (1286, 16984), (1544, 14146), (2123, 10288), (2572, 8492), (3088, 7073), (4246, 5144)]