21263583

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 33903360

約数和(自身を除く): 12639777

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 187, 319, 493, 561, 957, 1307, 1479, 3921, 5423, 14377, 16269, 22219, 37903, 43131, 66657, 113709, 244409, 416933, 644351, 733227, 1250799, 1933053, 7087861, 21263583]

約数ペア:

[(1, 21263583), (3, 7087861), (11, 1933053), (17, 1250799), (29, 733227), (33, 644351), (51, 416933), (87, 244409), (187, 113709), (319, 66657), (493, 43131), (561, 37903), (957, 22219), (1307, 16269), (1479, 14377), (3921, 5423)]