21491346

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 44009280

約数和(自身を除く): 22517934

約数列:

[1, 2, 3, 6, 73, 139, 146, 219, 278, 353, 417, 438, 706, 834, 1059, 2118, 10147, 20294, 25769, 30441, 49067, 51538, 60882, 77307, 98134, 147201, 154614, 294402, 3581891, 7163782, 10745673, 21491346]

約数ペア:

[(1, 21491346), (2, 10745673), (3, 7163782), (6, 3581891), (73, 294402), (139, 154614), (146, 147201), (219, 98134), (278, 77307), (353, 60882), (417, 51538), (438, 49067), (706, 30441), (834, 25769), (1059, 20294), (2118, 10147)]