21531666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{276047}}^1$

素因数の和:276065

約数の個数: 16

約数和(自身を含む): 46376064

約数和(自身を除く): 24844398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 276047, 552094, 828141, 1656282, 3588611, 7177222, 10765833, 21531666]

約数ペア:

[(1, 21531666), (2, 10765833), (3, 7177222), (6, 3588611), (13, 1656282), (26, 828141), (39, 552094), (78, 276047)]