21076208

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18553}}^1$

素因数の和:18632

約数の個数: 20

約数和(自身を含む): 41412528

約数和(自身を除く): 20336320

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18553, 37106, 74212, 148424, 296848, 1317263, 2634526, 5269052, 10538104, 21076208]

約数ペア:

[(1, 21076208), (2, 10538104), (4, 5269052), (8, 2634526), (16, 1317263), (71, 296848), (142, 148424), (284, 74212), (568, 37106), (1136, 18553)]