21226266

素因数分解:

$2^1\times 3^3\times {\mathrm{393079}}^1$

素因数の和:393090

約数の個数: 16

約数和(自身を含む): 47169600

約数和(自身を除く): 25943334

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393079, 786158, 1179237, 2358474, 3537711, 7075422, 10613133, 21226266]

約数ペア:

[(1, 21226266), (2, 10613133), (3, 7075422), (6, 3537711), (9, 2358474), (18, 1179237), (27, 786158), (54, 393079)]