21348198

素因数分解:

$2^1\times 3^4\times {\mathrm{131779}}^1$

素因数の和:131793

約数の個数: 20

約数和(自身を含む): 47836140

約数和(自身を除く): 26487942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131779, 263558, 395337, 790674, 1186011, 2372022, 3558033, 7116066, 10674099, 21348198]

約数ペア:

[(1, 21348198), (2, 10674099), (3, 7116066), (6, 3558033), (9, 2372022), (18, 1186011), (27, 790674), (54, 395337), (81, 263558), (162, 131779)]