21593143

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4871}}^1$

素因数の和:4926

約数の個数: 16

約数和(自身を含む): 26191872

約数和(自身を除く): 4598729

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4871, 53581, 63323, 151001, 696553, 1661011, 1963013, 21593143]

約数ペア:

[(1, 21593143), (11, 1963013), (13, 1661011), (31, 696553), (143, 151001), (341, 63323), (403, 53581), (4433, 4871)]