21379998

素因数分解:

$2^1\times 3^1\times {\mathrm{1583}}^1\times {\mathrm{2251}}^1$

素因数の和:3839

約数の個数: 16

約数和(自身を含む): 42806016

約数和(自身を除く): 21426018

約数列:

[1, 2, 3, 6, 1583, 2251, 3166, 4502, 4749, 6753, 9498, 13506, 3563333, 7126666, 10689999, 21379998]

約数ペア:

[(1, 21379998), (2, 10689999), (3, 7126666), (6, 3563333), (1583, 13506), (2251, 9498), (3166, 6753), (4502, 4749)]