21392956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11119}}^1$

素因数の和:11173

約数の個数: 24

約数和(自身を含む): 41410880

約数和(自身を除く): 20017924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11119, 22238, 44476, 144547, 289094, 411403, 578188, 822806, 1645612, 5348239, 10696478, 21392956]

約数ペア:

[(1, 21392956), (2, 10696478), (4, 5348239), (13, 1645612), (26, 822806), (37, 578188), (52, 411403), (74, 289094), (148, 144547), (481, 44476), (962, 22238), (1924, 11119)]