21016156

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3889}}^1$

素因数の和:4093

約数の個数: 24

約数和(自身を含む): 42260960

約数和(自身を除く): 21244804

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 3889, 5404, 7778, 15556, 27223, 54446, 108892, 750577, 1501154, 3002308, 5254039, 10508078, 21016156]

約数ペア:

[(1, 21016156), (2, 10508078), (4, 5254039), (7, 3002308), (14, 1501154), (28, 750577), (193, 108892), (386, 54446), (772, 27223), (1351, 15556), (2702, 7778), (3889, 5404)]