21366784

素因数分解:

$2^{11}\times {\mathrm{10433}}^1$

素因数の和:10455

約数の個数: 24

約数和(自身を含む): 42727230

約数和(自身を除く): 21360446

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10433, 20866, 41732, 83464, 166928, 333856, 667712, 1335424, 2670848, 5341696, 10683392, 21366784]

約数ペア:

[(1, 21366784), (2, 10683392), (4, 5341696), (8, 2670848), (16, 1335424), (32, 667712), (64, 333856), (128, 166928), (256, 83464), (512, 41732), (1024, 20866), (2048, 10433)]