21611008

素因数分解:

$2^9\times {\mathrm{42209}}^1$

素因数の和:42227

約数の個数: 20

約数和(自身を含む): 43180830

約数和(自身を除く): 21569822

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42209, 84418, 168836, 337672, 675344, 1350688, 2701376, 5402752, 10805504, 21611008]

約数ペア:

[(1, 21611008), (2, 10805504), (4, 5402752), (8, 2701376), (16, 1350688), (32, 675344), (64, 337672), (128, 168836), (256, 84418), (512, 42209)]