2106321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5279}}^1$

素因数の和:5308

約数の個数: 16

約数和(自身を含む): 3379200

約数和(自身を除く): 1272879

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5279, 15837, 36953, 100301, 110859, 300903, 702107, 2106321]

約数ペア:

[(1, 2106321), (3, 702107), (7, 300903), (19, 110859), (21, 100301), (57, 36953), (133, 15837), (399, 5279)]