21710485

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 26832960

約数和(自身を除く): 5122475

約数列:

[1, 5, 43, 215, 241, 419, 1205, 2095, 10363, 18017, 51815, 90085, 100979, 504895, 4342097, 21710485]

約数ペア:

[(1, 21710485), (5, 4342097), (43, 504895), (215, 100979), (241, 90085), (419, 51815), (1205, 18017), (2095, 10363)]