21870835

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15241}}^1$

素因数の和:15294

約数の個数: 16

約数和(自身を含む): 30727872

約数和(自身を除く): 8857037

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 15241, 76205, 106687, 533435, 624881, 3124405, 4374167, 21870835]

約数ペア:

[(1, 21870835), (5, 4374167), (7, 3124405), (35, 624881), (41, 533435), (205, 106687), (287, 76205), (1435, 15241)]