21114256

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3803}}^1$

素因数の和:4158

約数の個数: 20

約数和(自身を含む): 41037552

約数和(自身を除く): 19923296

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3803, 5552, 7606, 15212, 30424, 60848, 1319641, 2639282, 5278564, 10557128, 21114256]

約数ペア:

[(1, 21114256), (2, 10557128), (4, 5278564), (8, 2639282), (16, 1319641), (347, 60848), (694, 30424), (1388, 15212), (2776, 7606), (3803, 5552)]