21015604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10657}}^1$

素因数の和:10707

約数の個数: 24

約数和(自身を含む): 40287240

約数和(自身を除く): 19271636

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 10657, 21314, 42628, 181169, 309053, 362338, 618106, 724676, 1236212, 5253901, 10507802, 21015604]

約数ペア:

[(1, 21015604), (2, 10507802), (4, 5253901), (17, 1236212), (29, 724676), (34, 618106), (58, 362338), (68, 309053), (116, 181169), (493, 42628), (986, 21314), (1972, 10657)]