21002802

素因数分解:

$2^1\times 3^1\times {\mathrm{997}}^1\times {\mathrm{3511}}^1$

素因数の和:4513

約数の個数: 16

約数和(自身を含む): 42059712

約数和(自身を除く): 21056910

約数列:

[1, 2, 3, 6, 997, 1994, 2991, 3511, 5982, 7022, 10533, 21066, 3500467, 7000934, 10501401, 21002802]

約数ペア:

[(1, 21002802), (2, 10501401), (3, 7000934), (6, 3500467), (997, 21066), (1994, 10533), (2991, 7022), (3511, 5982)]