21406266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{169891}}^1$

素因数の和:169906

約数の個数: 24

約数和(自身を含む): 53006304

約数和(自身を除く): 31600038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169891, 339782, 509673, 1019346, 1189237, 1529019, 2378474, 3058038, 3567711, 7135422, 10703133, 21406266]

約数ペア:

[(1, 21406266), (2, 10703133), (3, 7135422), (6, 3567711), (7, 3058038), (9, 2378474), (14, 1529019), (18, 1189237), (21, 1019346), (42, 509673), (63, 339782), (126, 169891)]