21706216

素因数分解:

$2^3\times 7^2\times {\mathrm{55373}}^1$

素因数の和:55393

約数の個数: 24

約数和(自身を含む): 47344770

約数和(自身を除く): 25638554

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55373, 110746, 221492, 387611, 442984, 775222, 1550444, 2713277, 3100888, 5426554, 10853108, 21706216]

約数ペア:

[(1, 21706216), (2, 10853108), (4, 5426554), (7, 3100888), (8, 2713277), (14, 1550444), (28, 775222), (49, 442984), (56, 387611), (98, 221492), (196, 110746), (392, 55373)]