21609854

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15913}}^1$

素因数の和:16019

約数の個数: 16

約数和(自身を含む): 37429728

約数和(自身を除く): 15819874

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 15913, 31826, 111391, 222782, 1543561, 3087122, 10804927, 21609854]

約数ペア:

[(1, 21609854), (2, 10804927), (7, 3087122), (14, 1543561), (97, 222782), (194, 111391), (679, 31826), (1358, 15913)]