21229866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{168491}}^1$

素因数の和:168506

約数の個数: 24

約数和(自身を含む): 52569504

約数和(自身を除く): 31339638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 168491, 336982, 505473, 1010946, 1179437, 1516419, 2358874, 3032838, 3538311, 7076622, 10614933, 21229866]

約数ペア:

[(1, 21229866), (2, 10614933), (3, 7076622), (6, 3538311), (7, 3032838), (9, 2358874), (14, 1516419), (18, 1179437), (21, 1010946), (42, 505473), (63, 336982), (126, 168491)]