16394721

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2543}}^1$

素因数の和:2860

約数の個数: 16

約数和(自身を含む): 25073664

約数和(自身を除く): 8678943

約数列:

[1, 3, 7, 21, 307, 921, 2149, 2543, 6447, 7629, 17801, 53403, 780701, 2342103, 5464907, 16394721]

約数ペア:

[(1, 16394721), (3, 5464907), (7, 2342103), (21, 780701), (307, 53403), (921, 17801), (2149, 7629), (2543, 6447)]