21716037

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4153}}^1$

素因数の和:4249

約数の個数: 24

約数和(自身を含む): 36289344

約数和(自身を除く): 14573307

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 4153, 5229, 12459, 29071, 37377, 87213, 261639, 344699, 1034097, 2412893, 3102291, 7238679, 21716037]

約数ペア:

[(1, 21716037), (3, 7238679), (7, 3102291), (9, 2412893), (21, 1034097), (63, 344699), (83, 261639), (249, 87213), (581, 37377), (747, 29071), (1743, 12459), (4153, 5229)]