2181388

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4507}}^1$

素因数の和:4533

約数の個数: 18

約数和(自身を含む): 4196948

約数和(自身を除く): 2015560

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4507, 9014, 18028, 49577, 99154, 198308, 545347, 1090694, 2181388]

約数ペア:

[(1, 2181388), (2, 1090694), (4, 545347), (11, 198308), (22, 99154), (44, 49577), (121, 18028), (242, 9014), (484, 4507)]