21521006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26701}}^1$

素因数の和:26747

約数の個数: 16

約数和(自身を含む): 35887488

約数和(自身を除く): 14366482

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26701, 53402, 347113, 694226, 827731, 1655462, 10760503, 21521006]

約数ペア:

[(1, 21521006), (2, 10760503), (13, 1655462), (26, 827731), (31, 694226), (62, 347113), (403, 53402), (806, 26701)]