21979581

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9239}}^1$

素因数の和:9316

約数の個数: 16

約数和(自身を含む): 32081280

約数和(自身を除く): 10101699

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 9239, 27717, 120107, 360321, 563579, 1690737, 7326527, 21979581]

約数ペア:

[(1, 21979581), (3, 7326527), (13, 1690737), (39, 563579), (61, 360321), (183, 120107), (793, 27717), (2379, 9239)]