21087854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16763}}^1$

素因数の和:16819

約数の個数: 16

約数和(自身を含む): 34399728

約数和(自身を除く): 13311874

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 16763, 33526, 284971, 569942, 620231, 1240462, 10543927, 21087854]

約数ペア:

[(1, 21087854), (2, 10543927), (17, 1240462), (34, 620231), (37, 569942), (74, 284971), (629, 33526), (1258, 16763)]