21225183

素因数分解:

$3^1\times 7^3\times {\mathrm{20627}}^1$

素因数の和:20651

約数の個数: 16

約数和(自身を含む): 33004800

約数和(自身を除く): 11779617

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 20627, 61881, 144389, 433167, 1010723, 3032169, 7075061, 21225183]

約数ペア:

[(1, 21225183), (3, 7075061), (7, 3032169), (21, 1010723), (49, 433167), (147, 144389), (343, 61881), (1029, 20627)]