21404682

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{30491}}^1$

素因数の和:30515

約数の個数: 32

約数和(自身を含む): 51226560

約数和(自身を除く): 29821878

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30491, 60982, 91473, 182946, 274419, 396383, 548838, 792766, 823257, 1189149, 1646514, 2378298, 3567447, 7134894, 10702341, 21404682]

約数ペア:

[(1, 21404682), (2, 10702341), (3, 7134894), (6, 3567447), (9, 2378298), (13, 1646514), (18, 1189149), (26, 823257), (27, 792766), (39, 548838), (54, 396383), (78, 274419), (117, 182946), (234, 91473), (351, 60982), (702, 30491)]