21119115

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23081}}^1$

素因数の和:23150

約数の個数: 16

約数和(自身を含む): 34346016

約数和(自身を除く): 13226901

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 23081, 69243, 115405, 346215, 1407941, 4223823, 7039705, 21119115]

約数ペア:

[(1, 21119115), (3, 7039705), (5, 4223823), (15, 1407941), (61, 346215), (183, 115405), (305, 69243), (915, 23081)]