21640907

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 23623488

約数和(自身を除く): 1982581

約数列:

[1, 23, 41, 53, 433, 943, 1219, 2173, 9959, 17753, 22949, 49979, 408319, 527827, 940909, 21640907]

約数ペア:

[(1, 21640907), (23, 940909), (41, 527827), (53, 408319), (433, 49979), (943, 22949), (1219, 17753), (2173, 9959)]