21877017

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 29767680

約数和(自身を除く): 7890663

約数列:

[1, 3, 71, 213, 271, 379, 813, 1137, 19241, 26909, 57723, 80727, 102709, 308127, 7292339, 21877017]

約数ペア:

[(1, 21877017), (3, 7292339), (71, 308127), (213, 102709), (271, 80727), (379, 57723), (813, 26909), (1137, 19241)]