21000814898

素因数分解:

$2^1\times 7^1\times {\mathrm{7253}}^1\times {\mathrm{206819}}^1$

素因数の和:214081

約数の個数: 16

約数和(自身を含む): 36006534720

約数和(自身を除く): 15005719822

約数列:

[1, 2, 7, 14, 7253, 14506, 50771, 101542, 206819, 413638, 1447733, 2895466, 1500058207, 3000116414, 10500407449, 21000814898]

約数ペア:

[(1, 21000814898), (2, 10500407449), (7, 3000116414), (14, 1500058207), (7253, 2895466), (14506, 1447733), (50771, 413638), (101542, 206819)]