21307006

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{10079}}^1$

素因数の和:10239

約数の個数: 16

約数和(自身を含む): 36771840

約数和(自身を除く): 15464834

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 10079, 20158, 70553, 141106, 1521929, 3043858, 10653503, 21307006]

約数ペア:

[(1, 21307006), (2, 10653503), (7, 3043858), (14, 1521929), (151, 141106), (302, 70553), (1057, 20158), (2114, 10079)]