21568192509

素因数分解:

$3^1\times {\mathrm{173}}^1\times {\mathrm{1999}}^1\times {\mathrm{20789}}^1$

素因数の和:22964

約数の個数: 16

約数和(自身を含む): 28939680000

約数和(自身を除く): 7371487491

約数列:

[1, 3, 173, 519, 1999, 5997, 20789, 62367, 345827, 1037481, 3596497, 10789491, 41557211, 124671633, 7189397503, 21568192509]

約数ペア:

[(1, 21568192509), (3, 7189397503), (173, 124671633), (519, 41557211), (1999, 10789491), (5997, 3596497), (20789, 1037481), (62367, 345827)]