21012574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{1543}}^1$

素因数の和:2175

約数の個数: 16

約数和(自身を含む): 34462080

約数和(自身を除く): 13449506

約数列:

[1, 2, 11, 22, 619, 1238, 1543, 3086, 6809, 13618, 16973, 33946, 955117, 1910234, 10506287, 21012574]

約数ペア:

[(1, 21012574), (2, 10506287), (11, 1910234), (22, 955117), (619, 33946), (1238, 16973), (1543, 13618), (3086, 6809)]