21181374

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7793}}^1$

素因数の和:7952

約数の個数: 24

約数和(自身を含む): 46202832

約数和(自身を除く): 25021458

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7793, 15586, 23379, 46758, 70137, 140274, 1176743, 2353486, 3530229, 7060458, 10590687, 21181374]

約数ペア:

[(1, 21181374), (2, 10590687), (3, 7060458), (6, 3530229), (9, 2353486), (18, 1176743), (151, 140274), (302, 70137), (453, 46758), (906, 23379), (1359, 15586), (2718, 7793)]