21401337

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1237}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 29315840

約数和(自身を除く): 7914503

約数列:

[1, 3, 73, 79, 219, 237, 1237, 3711, 5767, 17301, 90301, 97723, 270903, 293169, 7133779, 21401337]

約数ペア:

[(1, 21401337), (3, 7133779), (73, 293169), (79, 270903), (219, 97723), (237, 90301), (1237, 17301), (3711, 5767)]