21844371

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{4003}}^1$

素因数の和:4130

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 9290733

約数列:

[1, 3, 17, 51, 107, 321, 1819, 4003, 5457, 12009, 68051, 204153, 428321, 1284963, 7281457, 21844371]

約数ペア:

[(1, 21844371), (3, 7281457), (17, 1284963), (51, 428321), (107, 204153), (321, 68051), (1819, 12009), (4003, 5457)]