21183248

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13649}}^1$

素因数の和:13754

約数の個数: 20

約数和(自身を含む): 41468700

約数和(自身を除く): 20285452

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13649, 27298, 54596, 109192, 218384, 1323953, 2647906, 5295812, 10591624, 21183248]

約数ペア:

[(1, 21183248), (2, 10591624), (4, 5295812), (8, 2647906), (16, 1323953), (97, 218384), (194, 109192), (388, 54596), (776, 27298), (1552, 13649)]