21828963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{5231}}^1$

素因数の和:5354

約数の個数: 16

約数和(自身を含む): 31643136

約数和(自身を除く): 9814173

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 5231, 15693, 68003, 204009, 559717, 1679151, 7276321, 21828963]

約数ペア:

[(1, 21828963), (3, 7276321), (13, 1679151), (39, 559717), (107, 204009), (321, 68003), (1391, 15693), (4173, 5231)]