21836848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2341}}^1$

素因数の和:2413

約数の個数: 40

約数和(自身を含む): 47046096

約数和(自身を除く): 25209248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2332, 2341, 4664, 4682, 9328, 9364, 18728, 25751, 37456, 51502, 103004, 124073, 206008, 248146, 412016, 496292, 992584, 1364803, 1985168, 2729606, 5459212, 10918424, 21836848]

約数ペア:

[(1, 21836848), (2, 10918424), (4, 5459212), (8, 2729606), (11, 1985168), (16, 1364803), (22, 992584), (44, 496292), (53, 412016), (88, 248146), (106, 206008), (176, 124073), (212, 103004), (424, 51502), (583, 37456), (848, 25751), (1166, 18728), (2332, 9364), (2341, 9328), (4664, 4682)]