26221881

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{65719}}^1$

素因数の和:65748

約数の個数: 16

約数和(自身を含む): 42060800

約数和(自身を除く): 15838919

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 65719, 197157, 460033, 1248661, 1380099, 3745983, 8740627, 26221881]

約数ペア:

[(1, 26221881), (3, 8740627), (7, 3745983), (19, 1380099), (21, 1248661), (57, 460033), (133, 197157), (399, 65719)]