21925743

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{24281}}^1$

素因数の和:24334

約数の個数: 16

約数和(自身を含む): 34189056

約数和(自身を除く): 12263313

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 24281, 72843, 169967, 509901, 1044083, 3132249, 7308581, 21925743]

約数ペア:

[(1, 21925743), (3, 7308581), (7, 3132249), (21, 1044083), (43, 509901), (129, 169967), (301, 72843), (903, 24281)]