21274803

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12641}}^1$

素因数の和:12675

約数の個数: 24

約数和(自身を含む): 35498736

約数和(自身を除く): 14223933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12641, 37923, 113769, 139051, 214897, 417153, 644691, 1251459, 1934073, 2363867, 7091601, 21274803]

約数ペア:

[(1, 21274803), (3, 7091601), (9, 2363867), (11, 1934073), (17, 1251459), (33, 644691), (51, 417153), (99, 214897), (153, 139051), (187, 113769), (561, 37923), (1683, 12641)]