21174711

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 28769664

約数和(自身を除く): 7594953

約数列:

[1, 3, 83, 249, 277, 307, 831, 921, 22991, 25481, 68973, 76443, 85039, 255117, 7058237, 21174711]

約数ペア:

[(1, 21174711), (3, 7058237), (83, 255117), (249, 85039), (277, 76443), (307, 68973), (831, 25481), (921, 22991)]