21786051

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22073}}^1$

素因数の和:22130

約数の個数: 16

約数和(自身を含む): 33905664

約数和(自身を除く): 12119613

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 22073, 66219, 154511, 463533, 1037431, 3112293, 7262017, 21786051]

約数ペア:

[(1, 21786051), (3, 7262017), (7, 3112293), (21, 1037431), (47, 463533), (141, 154511), (329, 66219), (987, 22073)]