21000403662

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500009611}}^1$

素因数の和:500009623

約数の個数: 16

約数和(自身を含む): 48000922752

約数和(自身を除く): 27000519090

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500009611, 1000019222, 1500028833, 3000057666, 3500067277, 7000134554, 10500201831, 21000403662]

約数ペア:

[(1, 21000403662), (2, 10500201831), (3, 7000134554), (6, 3500067277), (7, 3000057666), (14, 1500028833), (21, 1000019222), (42, 500009611)]