21788874

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{28151}}^1$

素因数の和:28202

約数の個数: 24

約数和(自身を含む): 48308832

約数和(自身を除く): 26519958

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 28151, 56302, 84453, 168906, 253359, 506718, 1210493, 2420986, 3631479, 7262958, 10894437, 21788874]

約数ペア:

[(1, 21788874), (2, 10894437), (3, 7262958), (6, 3631479), (9, 2420986), (18, 1210493), (43, 506718), (86, 253359), (129, 168906), (258, 84453), (387, 56302), (774, 28151)]