21006243

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{5939}}^1$

素因数の和:6079

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 10356957

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 5939, 17817, 53451, 160353, 778009, 2334027, 7002081, 21006243]

約数ペア:

[(1, 21006243), (3, 7002081), (9, 2334027), (27, 778009), (131, 160353), (393, 53451), (1179, 17817), (3537, 5939)]