21453104

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9787}}^1$

素因数の和:9932

約数の個数: 20

約数和(自身を含む): 41873064

約数和(自身を除く): 20419960

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9787, 19574, 39148, 78296, 156592, 1340819, 2681638, 5363276, 10726552, 21453104]

約数ペア:

[(1, 21453104), (2, 10726552), (4, 5363276), (8, 2681638), (16, 1340819), (137, 156592), (274, 78296), (548, 39148), (1096, 19574), (2192, 9787)]