21409624

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37693}}^1$

素因数の和:37770

約数の個数: 16

約数和(自身を含む): 40709520

約数和(自身を除く): 19299896

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37693, 75386, 150772, 301544, 2676203, 5352406, 10704812, 21409624]

約数ペア:

[(1, 21409624), (2, 10704812), (4, 5352406), (8, 2676203), (71, 301544), (142, 150772), (284, 75386), (568, 37693)]