21297682

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1583}}^1$

素因数の和:1654

約数の個数: 24

約数和(自身を含む): 37749888

約数和(自身を除く): 16452206

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1583, 1922, 3166, 6727, 11081, 13454, 22162, 49073, 98146, 343511, 687022, 1521263, 3042526, 10648841, 21297682]

約数ペア:

[(1, 21297682), (2, 10648841), (7, 3042526), (14, 1521263), (31, 687022), (62, 343511), (217, 98146), (434, 49073), (961, 22162), (1583, 13454), (1922, 11081), (3166, 6727)]