21058414

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{62303}}^1$

素因数の和:62331

約数の個数: 12

約数和(自身を含む): 34204896

約数和(自身を除く): 13146482

約数列:

[1, 2, 13, 26, 169, 338, 62303, 124606, 809939, 1619878, 10529207, 21058414]

約数ペア:

[(1, 21058414), (2, 10529207), (13, 1619878), (26, 809939), (169, 124606), (338, 62303)]