21068938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{1423}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 34551936

約数和(自身を除く): 13482998

約数列:

[1, 2, 11, 22, 673, 1346, 1423, 2846, 7403, 14806, 15653, 31306, 957679, 1915358, 10534469, 21068938]

約数ペア:

[(1, 21068938), (2, 10534469), (11, 1915358), (22, 957679), (673, 31306), (1346, 15653), (1423, 14806), (2846, 7403)]