21795328

素因数分解:

$2^9\times {\mathrm{42569}}^1$

素因数の和:42587

約数の個数: 20

約数和(自身を含む): 43549110

約数和(自身を除く): 21753782

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42569, 85138, 170276, 340552, 681104, 1362208, 2724416, 5448832, 10897664, 21795328]

約数ペア:

[(1, 21795328), (2, 10897664), (4, 5448832), (8, 2724416), (16, 1362208), (32, 681104), (64, 340552), (128, 170276), (256, 85138), (512, 42569)]