21457473

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4057}}^1$

素因数の和:4144

約数の個数: 16

約数和(自身を含む): 29996736

約数和(自身を除く): 8539263

約数列:

[1, 3, 41, 43, 123, 129, 1763, 4057, 5289, 12171, 166337, 174451, 499011, 523353, 7152491, 21457473]

約数ペア:

[(1, 21457473), (3, 7152491), (41, 523353), (43, 499011), (123, 174451), (129, 166337), (1763, 12171), (4057, 5289)]