21135045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61261}}^1$

素因数の和:61292

約数の個数: 16

約数和(自身を含む): 35286912

約数和(自身を除く): 14151867

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61261, 183783, 306305, 918915, 1409003, 4227009, 7045015, 21135045]

約数ペア:

[(1, 21135045), (3, 7045015), (5, 4227009), (15, 1409003), (23, 918915), (69, 306305), (115, 183783), (345, 61261)]