21187254

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5441}}^1$

素因数の和:5516

約数の個数: 32

約数和(自身を含む): 47018880

約数和(自身を除く): 25831626

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 118, 177, 354, 649, 1298, 1947, 3894, 5441, 10882, 16323, 32646, 59851, 119702, 179553, 321019, 359106, 642038, 963057, 1926114, 3531209, 7062418, 10593627, 21187254]

約数ペア:

[(1, 21187254), (2, 10593627), (3, 7062418), (6, 3531209), (11, 1926114), (22, 963057), (33, 642038), (59, 359106), (66, 321019), (118, 179553), (177, 119702), (354, 59851), (649, 32646), (1298, 16323), (1947, 10882), (3894, 5441)]