21127753

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 23760000

約数和(自身を除く): 2632247

約数列:

[1, 17, 19, 149, 323, 439, 2533, 2831, 7463, 8341, 48127, 65411, 141797, 1111987, 1242809, 21127753]

約数ペア:

[(1, 21127753), (17, 1242809), (19, 1111987), (149, 141797), (323, 65411), (439, 48127), (2533, 8341), (2831, 7463)]