21395128

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{6037}}^1$

素因数の和:6486

約数の個数: 16

約数和(自身を含む): 40213080

約数和(自身を除く): 18817952

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 6037, 12074, 24148, 48296, 2674391, 5348782, 10697564, 21395128]

約数ペア:

[(1, 21395128), (2, 10697564), (4, 5348782), (8, 2674391), (443, 48296), (886, 24148), (1772, 12074), (3544, 6037)]