21253064

素因数分解:

$2^3\times 7^2\times {\mathrm{54217}}^1$

素因数の和:54237

約数の個数: 24

約数和(自身を含む): 46356390

約数和(自身を除く): 25103326

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54217, 108434, 216868, 379519, 433736, 759038, 1518076, 2656633, 3036152, 5313266, 10626532, 21253064]

約数ペア:

[(1, 21253064), (2, 10626532), (4, 5313266), (7, 3036152), (8, 2656633), (14, 1518076), (28, 759038), (49, 433736), (56, 379519), (98, 216868), (196, 108434), (392, 54217)]