21985866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{174491}}^1$

素因数の和:174506

約数の個数: 24

約数和(自身を含む): 54441504

約数和(自身を除く): 32455638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 174491, 348982, 523473, 1046946, 1221437, 1570419, 2442874, 3140838, 3664311, 7328622, 10992933, 21985866]

約数ペア:

[(1, 21985866), (2, 10992933), (3, 7328622), (6, 3664311), (7, 3140838), (9, 2442874), (14, 1570419), (18, 1221437), (21, 1046946), (42, 523473), (63, 348982), (126, 174491)]