21158229

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16139}}^1$

素因数の和:16184

約数の個数: 16

約数和(自身を含む): 30988800

約数和(自身を除く): 9830571

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16139, 48417, 306641, 371197, 919923, 1113591, 7052743, 21158229]

約数ペア:

[(1, 21158229), (3, 7052743), (19, 1113591), (23, 919923), (57, 371197), (69, 306641), (437, 48417), (1311, 16139)]