21515053581

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1051}}^1\times {\mathrm{1109}}^1$

素因数の和:2466

約数の個数: 48

約数和(自身を含む): 35704206720

約数和(自身を除く): 14189153139

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 1051, 1109, 2051, 2637, 3153, 3327, 6153, 7357, 7763, 9459, 9981, 18459, 22071, 23289, 66213, 69867, 307943, 324937, 923829, 974811, 1165559, 2155601, 2274559, 2771487, 2924433, 3496677, 6466803, 6823677, 8158913, 10490031, 19400409, 20471031, 24476739, 73430217, 341508787, 1024526361, 2390561509, 3073579083, 7171684527, 21515053581]

約数ペア:

[(1, 21515053581), (3, 7171684527), (7, 3073579083), (9, 2390561509), (21, 1024526361), (63, 341508787), (293, 73430217), (879, 24476739), (1051, 20471031), (1109, 19400409), (2051, 10490031), (2637, 8158913), (3153, 6823677), (3327, 6466803), (6153, 3496677), (7357, 2924433), (7763, 2771487), (9459, 2274559), (9981, 2155601), (18459, 1165559), (22071, 974811), (23289, 923829), (66213, 324937), (69867, 307943)]