21904496

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33391}}^1$

素因数の和:33440

約数の個数: 20

約数和(自身を含む): 43476384

約数和(自身を除く): 21571888

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33391, 66782, 133564, 267128, 534256, 1369031, 2738062, 5476124, 10952248, 21904496]

約数ペア:

[(1, 21904496), (2, 10952248), (4, 5476124), (8, 2738062), (16, 1369031), (41, 534256), (82, 267128), (164, 133564), (328, 66782), (656, 33391)]