21022948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3061}}^1$

素因数の和:3183

約数の個数: 24

約数和(自身を含む): 39352824

約数和(自身を除く): 18329876

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 3061, 3434, 6122, 6868, 12244, 52037, 104074, 208148, 309161, 618322, 1236644, 5255737, 10511474, 21022948]

約数ペア:

[(1, 21022948), (2, 10511474), (4, 5255737), (17, 1236644), (34, 618322), (68, 309161), (101, 208148), (202, 104074), (404, 52037), (1717, 12244), (3061, 6868), (3434, 6122)]