21216998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{1433}}^1$

素因数の和:2119

約数の個数: 16

約数和(自身を含む): 34794576

約数和(自身を除く): 13577578

約数列:

[1, 2, 11, 22, 673, 1346, 1433, 2866, 7403, 14806, 15763, 31526, 964409, 1928818, 10608499, 21216998]

約数ペア:

[(1, 21216998), (2, 10608499), (11, 1928818), (22, 964409), (673, 31526), (1346, 15763), (1433, 14806), (2866, 7403)]