21577777

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 24796800

約数和(自身を除く): 3219023

約数列:

[1, 13, 17, 163, 221, 599, 2119, 2771, 7787, 10183, 36023, 97637, 132379, 1269281, 1659829, 21577777]

約数ペア:

[(1, 21577777), (13, 1659829), (17, 1269281), (163, 132379), (221, 97637), (599, 36023), (2119, 10183), (2771, 7787)]