21493782

素因数分解:

$2^1\times 3^3\times {\mathrm{398033}}^1$

素因数の和:398044

約数の個数: 16

約数和(自身を含む): 47764080

約数和(自身を除く): 26270298

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 398033, 796066, 1194099, 2388198, 3582297, 7164594, 10746891, 21493782]

約数ペア:

[(1, 21493782), (2, 10746891), (3, 7164594), (6, 3582297), (9, 2388198), (18, 1194099), (27, 796066), (54, 398033)]