21870105

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{15031}}^1$

素因数の和:15136

約数の個数: 16

約数和(自身を含む): 35355264

約数和(自身を除く): 13485159

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 15031, 45093, 75155, 225465, 1458007, 4374021, 7290035, 21870105]

約数ペア:

[(1, 21870105), (3, 7290035), (5, 4374021), (15, 1458007), (97, 225465), (291, 75155), (485, 45093), (1455, 15031)]