21575397

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{9001}}^1$

素因数の和:9068

約数の個数: 16

約数和(自身を含む): 31110912

約数和(自身を除く): 9535515

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 9001, 27003, 153017, 423047, 459051, 1269141, 7191799, 21575397]

約数ペア:

[(1, 21575397), (3, 7191799), (17, 1269141), (47, 459051), (51, 423047), (141, 153017), (799, 27003), (2397, 9001)]