21380883

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{5051}}^1$

素因数の和:5154

約数の個数: 16

約数和(自身を含む): 30554496

約数和(自身を除く): 9173613

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 5051, 15153, 85867, 257601, 419233, 1257699, 7126961, 21380883]

約数ペア:

[(1, 21380883), (3, 7126961), (17, 1257699), (51, 419233), (83, 257601), (249, 85867), (1411, 15153), (4233, 5051)]