21004096

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{1277}}^1$

素因数の和:1546

約数の個数: 28

約数和(自身を含む): 41874948

約数和(自身を除く): 20870852

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 1277, 2056, 2554, 4112, 5108, 8224, 10216, 16448, 20432, 40864, 81728, 328189, 656378, 1312756, 2625512, 5251024, 10502048, 21004096]

約数ペア:

[(1, 21004096), (2, 10502048), (4, 5251024), (8, 2625512), (16, 1312756), (32, 656378), (64, 328189), (257, 81728), (514, 40864), (1028, 20432), (1277, 16448), (2056, 10216), (2554, 8224), (4112, 5108)]