21605514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{514417}}^1$

素因数の和:514429

約数の個数: 16

約数和(自身を含む): 49384128

約数和(自身を除く): 27778614

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 514417, 1028834, 1543251, 3086502, 3600919, 7201838, 10802757, 21605514]

約数ペア:

[(1, 21605514), (2, 10802757), (3, 7201838), (6, 3600919), (7, 3086502), (14, 1543251), (21, 1028834), (42, 514417)]