21338852

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 38002272

約数和(自身を除く): 16663420

約数列:

[1, 2, 4, 131, 193, 211, 262, 386, 422, 524, 772, 844, 25283, 27641, 40723, 50566, 55282, 81446, 101132, 110564, 162892, 5334713, 10669426, 21338852]

約数ペア:

[(1, 21338852), (2, 10669426), (4, 5334713), (131, 162892), (193, 110564), (211, 101132), (262, 81446), (386, 55282), (422, 50566), (524, 40723), (772, 27641), (844, 25283)]