21268602

素因数分解:

$2^1\times 3^3\times {\mathrm{393863}}^1$

素因数の和:393874

約数の個数: 16

約数和(自身を含む): 47263680

約数和(自身を除く): 25995078

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393863, 787726, 1181589, 2363178, 3544767, 7089534, 10634301, 21268602]

約数ペア:

[(1, 21268602), (2, 10634301), (3, 7089534), (6, 3544767), (9, 2363178), (18, 1181589), (27, 787726), (54, 393863)]