21576039

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2411}}^1$

素因数の和:2590

約数の個数: 16

約数和(自身を含む): 30487680

約数和(自身を除く): 8911641

約数列:

[1, 3, 19, 57, 157, 471, 2411, 2983, 7233, 8949, 45809, 137427, 378527, 1135581, 7192013, 21576039]

約数ペア:

[(1, 21576039), (3, 7192013), (19, 1135581), (57, 378527), (157, 137427), (471, 45809), (2411, 8949), (2983, 7233)]