21044216

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23279}}^1$

素因数の和:23398

約数の個数: 16

約数和(自身を含む): 39808800

約数和(自身を除く): 18764584

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23279, 46558, 93116, 186232, 2630527, 5261054, 10522108, 21044216]

約数ペア:

[(1, 21044216), (2, 10522108), (4, 5261054), (8, 2630527), (113, 186232), (226, 93116), (452, 46558), (904, 23279)]