21346686

素因数分解:

$2^1\times 3^3\times {\mathrm{395309}}^1$

素因数の和:395320

約数の個数: 16

約数和(自身を含む): 47437200

約数和(自身を除く): 26090514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 395309, 790618, 1185927, 2371854, 3557781, 7115562, 10673343, 21346686]

約数ペア:

[(1, 21346686), (2, 10673343), (3, 7115562), (6, 3557781), (9, 2371854), (18, 1185927), (27, 790618), (54, 395309)]