21563468

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 38837568

約数和(自身を除く): 17274100

約数列:

[1, 2, 4, 43, 86, 172, 283, 443, 566, 886, 1132, 1772, 12169, 19049, 24338, 38098, 48676, 76196, 125369, 250738, 501476, 5390867, 10781734, 21563468]

約数ペア:

[(1, 21563468), (2, 10781734), (4, 5390867), (43, 501476), (86, 250738), (172, 125369), (283, 76196), (443, 48676), (566, 38098), (886, 24338), (1132, 19049), (1772, 12169)]