21457832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243839}}^1$

素因数の和:243856

約数の個数: 16

約数和(自身を含む): 43891200

約数和(自身を除く): 22433368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243839, 487678, 975356, 1950712, 2682229, 5364458, 10728916, 21457832]

約数ペア:

[(1, 21457832), (2, 10728916), (4, 5364458), (8, 2682229), (11, 1950712), (22, 975356), (44, 487678), (88, 243839)]