21225045

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8681}}^1$

素因数の和:8852

約数の個数: 16

約数和(自身を含む): 34172352

約数和(自身を除く): 12947307

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 8681, 26043, 43405, 130215, 1415003, 4245009, 7075015, 21225045]

約数ペア:

[(1, 21225045), (3, 7075015), (5, 4245009), (15, 1415003), (163, 130215), (489, 43405), (815, 26043), (2445, 8681)]