21137613

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59209}}^1$

素因数の和:59236

約数の個数: 16

約数和(自身を含む): 34104960

約数和(自身を除く): 12967347

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59209, 177627, 414463, 1006553, 1243389, 3019659, 7045871, 21137613]

約数ペア:

[(1, 21137613), (3, 7045871), (7, 3019659), (17, 1243389), (21, 1006553), (51, 414463), (119, 177627), (357, 59209)]