213421570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1255421}}^1$

素因数の和:1255445

約数の個数: 16

約数和(自身を含む): 406756728

約数和(自身を除く): 193335158

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1255421, 2510842, 6277105, 12554210, 21342157, 42684314, 106710785, 213421570]

約数ペア:

[(1, 213421570), (2, 106710785), (5, 42684314), (10, 21342157), (17, 12554210), (34, 6277105), (85, 2510842), (170, 1255421)]