21286324

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{29401}}^1$

素因数の和:29586

約数の個数: 12

約数和(自身を含む): 37458148

約数和(自身を除く): 16171824

約数列:

[1, 2, 4, 181, 362, 724, 29401, 58802, 117604, 5321581, 10643162, 21286324]

約数ペア:

[(1, 21286324), (2, 10643162), (4, 5321581), (181, 117604), (362, 58802), (724, 29401)]