21791874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{21491}}^1$

素因数の和:21522

約数の個数: 24

約数和(自身を含む): 47196432

約数和(自身を除く): 25404558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 21491, 42982, 64473, 128946, 279383, 558766, 838149, 1676298, 3631979, 7263958, 10895937, 21791874]

約数ペア:

[(1, 21791874), (2, 10895937), (3, 7263958), (6, 3631979), (13, 1676298), (26, 838149), (39, 558766), (78, 279383), (169, 128946), (338, 64473), (507, 42982), (1014, 21491)]