21687338

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{769}}^1$

素因数の和:1069

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 11576662

約数列:

[1, 2, 59, 118, 239, 478, 769, 1538, 14101, 28202, 45371, 90742, 183791, 367582, 10843669, 21687338]

約数ペア:

[(1, 21687338), (2, 10843669), (59, 367582), (118, 183791), (239, 90742), (478, 45371), (769, 28202), (1538, 14101)]