21710673

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{14107}}^1$

素因数の和:14138

約数の個数: 20

約数和(自身を含む): 34141360

約数和(自身を除く): 12430687

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 14107, 42321, 126963, 268033, 380889, 804099, 1142667, 2412297, 7236891, 21710673]

約数ペア:

[(1, 21710673), (3, 7236891), (9, 2412297), (19, 1142667), (27, 804099), (57, 380889), (81, 268033), (171, 126963), (513, 42321), (1539, 14107)]