21145449913

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1\times {\mathrm{43313}}^1$

素因数の和:44136

約数の個数: 16

約数和(自身を含む): 24449886720

約数和(自身を除く): 3304436807

約数列:

[1, 7, 97, 679, 719, 5033, 43313, 69743, 303191, 488201, 4201361, 29409527, 31142047, 217994329, 3020778559, 21145449913]

約数ペア:

[(1, 21145449913), (7, 3020778559), (97, 217994329), (679, 31142047), (719, 29409527), (5033, 4201361), (43313, 488201), (69743, 303191)]