21275270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73363}}^1$

素因数の和:73399

約数の個数: 16

約数和(自身を含む): 39616560

約数和(自身を除く): 18341290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73363, 146726, 366815, 733630, 2127527, 4255054, 10637635, 21275270]

約数ペア:

[(1, 21275270), (2, 10637635), (5, 4255054), (10, 2127527), (29, 733630), (58, 366815), (145, 146726), (290, 73363)]