21449915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{487}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 26984448

約数和(自身を除く): 5534533

約数列:

[1, 5, 23, 115, 383, 487, 1915, 2435, 8809, 11201, 44045, 56005, 186521, 932605, 4289983, 21449915]

約数ペア:

[(1, 21449915), (5, 4289983), (23, 932605), (115, 186521), (383, 56005), (487, 44045), (1915, 11201), (2435, 8809)]