21889065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132661}}^1$

素因数の和:132680

約数の個数: 16

約数和(自身を含む): 38206656

約数和(自身を除く): 16317591

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132661, 397983, 663305, 1459271, 1989915, 4377813, 7296355, 21889065]

約数ペア:

[(1, 21889065), (3, 7296355), (5, 4377813), (11, 1989915), (15, 1459271), (33, 663305), (55, 397983), (165, 132661)]