213159490

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211049}}^1$

素因数の和:211157

約数の個数: 16

約数和(自身を含む): 387487800

約数和(自身を除く): 174328310

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 211049, 422098, 1055245, 2110490, 21315949, 42631898, 106579745, 213159490]

約数ペア:

[(1, 213159490), (2, 106579745), (5, 42631898), (10, 21315949), (101, 2110490), (202, 1055245), (505, 422098), (1010, 211049)]