21537526

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2017}}^1$

素因数の和:2319

約数の個数: 16

約数和(自身を含む): 34144560

約数和(自身を除く): 12607034

約数列:

[1, 2, 19, 38, 281, 562, 2017, 4034, 5339, 10678, 38323, 76646, 566777, 1133554, 10768763, 21537526]

約数ペア:

[(1, 21537526), (2, 10768763), (19, 1133554), (38, 566777), (281, 76646), (562, 38323), (2017, 10678), (4034, 5339)]