21510656

素因数分解:

$2^9\times {\mathrm{42013}}^1$

素因数の和:42031

約数の個数: 20

約数和(自身を含む): 42980322

約数和(自身を除く): 21469666

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42013, 84026, 168052, 336104, 672208, 1344416, 2688832, 5377664, 10755328, 21510656]

約数ペア:

[(1, 21510656), (2, 10755328), (4, 5377664), (8, 2688832), (16, 1344416), (32, 672208), (64, 336104), (128, 168052), (256, 84026), (512, 42013)]