21091587

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2791}}^1$

素因数の和:3034

約数の個数: 16

約数和(自身を含む): 30823680

約数和(自身を除く): 9732093

約数列:

[1, 3, 11, 33, 229, 687, 2519, 2791, 7557, 8373, 30701, 92103, 639139, 1917417, 7030529, 21091587]

約数ペア:

[(1, 21091587), (3, 7030529), (11, 1917417), (33, 639139), (229, 92103), (687, 30701), (2519, 8373), (2791, 7557)]