21581362

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{3491}}^1$

素因数の和:3785

約数の個数: 16

約数和(自身を含む): 35450784

約数和(自身を除く): 13869422

約数列:

[1, 2, 11, 22, 281, 562, 3091, 3491, 6182, 6982, 38401, 76802, 980971, 1961942, 10790681, 21581362]

約数ペア:

[(1, 21581362), (2, 10790681), (11, 1961942), (22, 980971), (281, 76802), (562, 38401), (3091, 6982), (3491, 6182)]