2021921515

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{20441}}^1$

素因数の和:20790

約数の個数: 16

約数和(自身を含む): 2468739456

約数和(自身を除く): 446817941

約数列:

[1, 5, 73, 271, 365, 1355, 19783, 20441, 98915, 102205, 1492193, 5539511, 7460965, 27697555, 404384303, 2021921515]

約数ペア:

[(1, 2021921515), (5, 404384303), (73, 27697555), (271, 7460965), (365, 5539511), (1355, 1492193), (19783, 102205), (20441, 98915)]