21467988

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{863}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 54407808

約数和(自身を除く): 32939820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 863, 1382, 1726, 2073, 2589, 2764, 3452, 4146, 5178, 6219, 7767, 8292, 10356, 12438, 15534, 24876, 31068, 596333, 1192666, 1788999, 2385332, 3577998, 5366997, 7155996, 10733994, 21467988]

約数ペア:

[(1, 21467988), (2, 10733994), (3, 7155996), (4, 5366997), (6, 3577998), (9, 2385332), (12, 1788999), (18, 1192666), (36, 596333), (691, 31068), (863, 24876), (1382, 15534), (1726, 12438), (2073, 10356), (2589, 8292), (2764, 7767), (3452, 6219), (4146, 5178)]