21449968253

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{2243}}^1\times {\mathrm{31771}}^1$

素因数の和:34064

約数の個数: 16

約数和(自身を含む): 25096321536

約数和(自身を除く): 3646353283

約数列:

[1, 7, 43, 301, 2243, 15701, 31771, 96449, 222397, 675143, 1366153, 9563071, 71262353, 498836471, 3064281179, 21449968253]

約数ペア:

[(1, 21449968253), (7, 3064281179), (43, 498836471), (301, 71262353), (2243, 9563071), (15701, 1366153), (31771, 675143), (96449, 222397)]