21048963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1181}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 30315936

約数和(自身を除く): 9266973

約数列:

[1, 3, 13, 39, 457, 1181, 1371, 3543, 5941, 15353, 17823, 46059, 539717, 1619151, 7016321, 21048963]

約数ペア:

[(1, 21048963), (3, 7016321), (13, 1619151), (39, 539717), (457, 46059), (1181, 17823), (1371, 15353), (3543, 5941)]