21385929

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5081}}^1$

素因数の和:5168

約数の個数: 16

約数和(自身を含む): 30248064

約数和(自身を除く): 8862135

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 5081, 15243, 116863, 309941, 350589, 929823, 7128643, 21385929]

約数ペア:

[(1, 21385929), (3, 7128643), (23, 929823), (61, 350589), (69, 309941), (183, 116863), (1403, 15243), (4209, 5081)]