21801036

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16979}}^1$

素因数の和:17093

約数の個数: 24

約数和(自身を含む): 51347520

約数和(自身を除く): 29546484

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16979, 33958, 50937, 67916, 101874, 203748, 1816753, 3633506, 5450259, 7267012, 10900518, 21801036]

約数ペア:

[(1, 21801036), (2, 10900518), (3, 7267012), (4, 5450259), (6, 3633506), (12, 1816753), (107, 203748), (214, 101874), (321, 67916), (428, 50937), (642, 33958), (1284, 16979)]