21167154127

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{3461}}^1\times {\mathrm{37987}}^1$

素因数の和:41478

約数の個数: 16

約数和(自身を含む): 25250775552

約数和(自身を除く): 4083621425

約数列:

[1, 7, 23, 161, 3461, 24227, 37987, 79603, 265909, 557221, 873701, 6115907, 131473007, 920311049, 3023879161, 21167154127]

約数ペア:

[(1, 21167154127), (7, 3023879161), (23, 920311049), (161, 131473007), (3461, 6115907), (24227, 873701), (37987, 557221), (79603, 265909)]