21534087

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 32555520

約数和(自身を除く): 11021433

約数列:

[1, 3, 17, 19, 51, 57, 71, 213, 313, 323, 939, 969, 1207, 1349, 3621, 4047, 5321, 5947, 15963, 17841, 22223, 22933, 66669, 68799, 101099, 303297, 377791, 422237, 1133373, 1266711, 7178029, 21534087]

約数ペア:

[(1, 21534087), (3, 7178029), (17, 1266711), (19, 1133373), (51, 422237), (57, 377791), (71, 303297), (213, 101099), (313, 68799), (323, 66669), (939, 22933), (969, 22223), (1207, 17841), (1349, 15963), (3621, 5947), (4047, 5321)]