21254882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50849}}^1$

素因数の和:50881

約数の個数: 16

約数和(自身を含む): 36612000

約数和(自身を除く): 15357118

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50849, 101698, 559339, 966131, 1118678, 1932262, 10627441, 21254882]

約数ペア:

[(1, 21254882), (2, 10627441), (11, 1932262), (19, 1118678), (22, 966131), (38, 559339), (209, 101698), (418, 50849)]