21504104

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72649}}^1$

素因数の和:72692

約数の個数: 16

約数和(自身を含む): 41410500

約数和(自身を除く): 19906396

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72649, 145298, 290596, 581192, 2688013, 5376026, 10752052, 21504104]

約数ペア:

[(1, 21504104), (2, 10752052), (4, 5376026), (8, 2688013), (37, 581192), (74, 290596), (148, 145298), (296, 72649)]