21851551155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{208110011}}^1$

素因数の和:208110026

約数の個数: 16

約数和(自身を含む): 39957122304

約数和(自身を除く): 18105571149

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 208110011, 624330033, 1040550055, 1456770077, 3121650165, 4370310231, 7283850385, 21851551155]

約数ペア:

[(1, 21851551155), (3, 7283850385), (5, 4370310231), (7, 3121650165), (15, 1456770077), (21, 1040550055), (35, 624330033), (105, 208110011)]