21658434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{515677}}^1$

素因数の和:515689

約数の個数: 16

約数和(自身を含む): 49505088

約数和(自身を除く): 27846654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 515677, 1031354, 1547031, 3094062, 3609739, 7219478, 10829217, 21658434]

約数ペア:

[(1, 21658434), (2, 10829217), (3, 7219478), (6, 3609739), (7, 3094062), (14, 1547031), (21, 1031354), (42, 515677)]