21668514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{515917}}^1$

素因数の和:515929

約数の個数: 16

約数和(自身を含む): 49528128

約数和(自身を除く): 27859614

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 515917, 1031834, 1547751, 3095502, 3611419, 7222838, 10834257, 21668514]

約数ペア:

[(1, 21668514), (2, 10834257), (3, 7222838), (6, 3611419), (7, 3095502), (14, 1547751), (21, 1031834), (42, 515917)]