21181124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{827}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 39180960

約数和(自身を除く): 17999836

約数列:

[1, 2, 4, 19, 38, 76, 337, 674, 827, 1348, 1654, 3308, 6403, 12806, 15713, 25612, 31426, 62852, 278699, 557398, 1114796, 5295281, 10590562, 21181124]

約数ペア:

[(1, 21181124), (2, 10590562), (4, 5295281), (19, 1114796), (38, 557398), (76, 278699), (337, 62852), (674, 31426), (827, 25612), (1348, 15713), (1654, 12806), (3308, 6403)]