2021212151

素因数分解:

$7^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1\times {\mathrm{1049}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 2321256000

約数和(自身を除く): 300043849

約数列:

[1, 7, 409, 673, 1049, 2863, 4711, 7343, 275257, 429041, 705977, 1926799, 3003287, 4941839, 288744593, 2021212151]

約数ペア:

[(1, 2021212151), (7, 288744593), (409, 4941839), (673, 3003287), (1049, 1926799), (2863, 705977), (4711, 429041), (7343, 275257)]