2011052421

素因数分解:

$3^3\times 7^1\times {\mathrm{10640489}}^1$

素因数の和:10640505

約数の個数: 16

約数和(自身を含む): 3404956800

約数和(自身を除く): 1393904379

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 10640489, 31921467, 74483423, 95764401, 223450269, 287293203, 670350807, 2011052421]

約数ペア:

[(1, 2011052421), (3, 670350807), (7, 287293203), (9, 223450269), (21, 95764401), (27, 74483423), (63, 31921467), (189, 10640489)]