21439964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58901}}^1$

素因数の和:58925

約数の個数: 24

約数和(自身を含む): 46179168

約数和(自身を除く): 24739204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58901, 117802, 235604, 412307, 765713, 824614, 1531426, 1649228, 3062852, 5359991, 10719982, 21439964]

約数ペア:

[(1, 21439964), (2, 10719982), (4, 5359991), (7, 3062852), (13, 1649228), (14, 1531426), (26, 824614), (28, 765713), (52, 412307), (91, 235604), (182, 117802), (364, 58901)]