21452464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121889}}^1$

素因数の和:121908

約数の個数: 20

約数和(自身を含む): 45343080

約数和(自身を除く): 23890616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121889, 243778, 487556, 975112, 1340779, 1950224, 2681558, 5363116, 10726232, 21452464]

約数ペア:

[(1, 21452464), (2, 10726232), (4, 5363116), (8, 2681558), (11, 1950224), (16, 1340779), (22, 975112), (44, 487556), (88, 243778), (176, 121889)]