21706299

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{3011}}^1$

素因数の和:3112

約数の個数: 20

約数和(自身を含む): 32800680

約数和(自身を除く): 11094381

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 3011, 7209, 9033, 27099, 81297, 243891, 267979, 803937, 2411811, 7235433, 21706299]

約数ペア:

[(1, 21706299), (3, 7235433), (9, 2411811), (27, 803937), (81, 267979), (89, 243891), (267, 81297), (801, 27099), (2403, 9033), (3011, 7209)]