21055065

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23011}}^1$

素因数の和:23080

約数の個数: 16

約数和(自身を含む): 34241856

約数和(自身を除く): 13186791

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 23011, 69033, 115055, 345165, 1403671, 4211013, 7018355, 21055065]

約数ペア:

[(1, 21055065), (3, 7018355), (5, 4211013), (15, 1403671), (61, 345165), (183, 115055), (305, 69033), (915, 23011)]