21422715

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17207}}^1$

素因数の和:17298

約数の個数: 16

約数和(自身を含む): 34691328

約数和(自身を除く): 13268613

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 17207, 51621, 86035, 258105, 1428181, 4284543, 7140905, 21422715]

約数ペア:

[(1, 21422715), (3, 7140905), (5, 4284543), (15, 1428181), (83, 258105), (249, 86035), (415, 51621), (1245, 17207)]