21425272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243469}}^1$

素因数の和:243486

約数の個数: 16

約数和(自身を含む): 43824600

約数和(自身を除く): 22399328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243469, 486938, 973876, 1947752, 2678159, 5356318, 10712636, 21425272]

約数ペア:

[(1, 21425272), (2, 10712636), (4, 5356318), (8, 2678159), (11, 1947752), (22, 973876), (44, 486938), (88, 243469)]