21836121

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3307}}^1$

素因数の和:3412

約数の個数: 16

約数和(自身を含む): 30486528

約数和(自身を除く): 8650407

約数列:

[1, 3, 31, 71, 93, 213, 2201, 3307, 6603, 9921, 102517, 234797, 307551, 704391, 7278707, 21836121]

約数ペア:

[(1, 21836121), (3, 7278707), (31, 704391), (71, 307551), (93, 234797), (213, 102517), (2201, 9921), (3307, 6603)]