21821901

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 29623104

約数和(自身を除く): 7801203

約数列:

[1, 3, 107, 157, 321, 433, 471, 1299, 16799, 46331, 50397, 67981, 138993, 203943, 7273967, 21821901]

約数ペア:

[(1, 21821901), (3, 7273967), (107, 203943), (157, 138993), (321, 67981), (433, 50397), (471, 46331), (1299, 16799)]