21186402

素因数分解:

$2^1\times 3^1\times {\mathrm{1657}}^1\times {\mathrm{2131}}^1$

素因数の和:3793

約数の個数: 16

約数和(自身を含む): 42418272

約数和(自身を除く): 21231870

約数列:

[1, 2, 3, 6, 1657, 2131, 3314, 4262, 4971, 6393, 9942, 12786, 3531067, 7062134, 10593201, 21186402]

約数ペア:

[(1, 21186402), (2, 10593201), (3, 7062134), (6, 3531067), (1657, 12786), (2131, 9942), (3314, 6393), (4262, 4971)]