2021145987

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{498679}}^1$

素因数の和:498882

約数の個数: 16

約数和(自身を含む): 3095805440

約数和(自身を除く): 1074659453

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 498679, 1496037, 3490753, 10472259, 96245047, 288735141, 673715329, 2021145987]

約数ペア:

[(1, 2021145987), (3, 673715329), (7, 288735141), (21, 96245047), (193, 10472259), (579, 3490753), (1351, 1496037), (4053, 498679)]