21044799

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41023}}^1$

素因数の和:41051

約数の個数: 16

約数和(自身を含む): 32819200

約数和(自身を除く): 11774401

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41023, 123069, 369207, 779437, 1107621, 2338311, 7014933, 21044799]

約数ペア:

[(1, 21044799), (3, 7014933), (9, 2338311), (19, 1107621), (27, 779437), (57, 369207), (171, 123069), (513, 41023)]