21821066

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{10093}}^1$

素因数の和:10165

約数の個数: 16

約数和(自身を含む): 34884864

約数和(自身を除く): 13063798

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 10093, 20186, 232139, 464278, 474371, 948742, 10910533, 21821066]

約数ペア:

[(1, 21821066), (2, 10910533), (23, 948742), (46, 474371), (47, 464278), (94, 232139), (1081, 20186), (2162, 10093)]