21824781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9871}}^1$

素因数の和:9952

約数の個数: 16

約数和(自身を含む): 32222208

約数和(自身を除く): 10397427

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9871, 29613, 108581, 325743, 661357, 1984071, 7274927, 21824781]

約数ペア:

[(1, 21824781), (3, 7274927), (11, 1984071), (33, 661357), (67, 325743), (201, 108581), (737, 29613), (2211, 9871)]