2021284587

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1355657}}^1$

素因数の和:1355738

約数の個数: 16

約数和(自身を含む): 3123436032

約数和(自身を除く): 1102151445

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1355657, 4066971, 9489599, 28468797, 96251647, 288754941, 673761529, 2021284587]

約数ペア:

[(1, 2021284587), (3, 673761529), (7, 288754941), (21, 96251647), (71, 28468797), (213, 9489599), (497, 4066971), (1491, 1355657)]