21002826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{919}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 45440640

約数和(自身を除く): 24437814

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 293, 586, 879, 919, 1758, 1838, 2757, 3809, 5514, 7618, 11427, 11947, 22854, 23894, 35841, 71682, 269267, 538534, 807801, 1615602, 3500471, 7000942, 10501413, 21002826]

約数ペア:

[(1, 21002826), (2, 10501413), (3, 7000942), (6, 3500471), (13, 1615602), (26, 807801), (39, 538534), (78, 269267), (293, 71682), (586, 35841), (879, 23894), (919, 22854), (1758, 11947), (1838, 11427), (2757, 7618), (3809, 5514)]