21428858

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1310

約数の個数: 24

約数和(自身を含む): 35844564

約数和(自身を除く): 14415706

約数列:

[1, 2, 11, 22, 73, 121, 146, 242, 803, 1213, 1606, 2426, 8833, 13343, 17666, 26686, 88549, 146773, 177098, 293546, 974039, 1948078, 10714429, 21428858]

約数ペア:

[(1, 21428858), (2, 10714429), (11, 1948078), (22, 974039), (73, 293546), (121, 177098), (146, 146773), (242, 88549), (803, 26686), (1213, 17666), (1606, 13343), (2426, 8833)]