21693063

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27919}}^1$

素因数の和:27966

約数の個数: 16

約数和(自身を含む): 33950720

約数和(自身を除く): 12257657

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 27919, 83757, 195433, 586299, 1033003, 3099009, 7231021, 21693063]

約数ペア:

[(1, 21693063), (3, 7231021), (7, 3099009), (21, 1033003), (37, 586299), (111, 195433), (259, 83757), (777, 27919)]