21008596

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17449}}^1$

素因数の和:17503

約数の個数: 24

約数和(自身を含む): 42996800

約数和(自身を除く): 21988204

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17449, 34898, 69796, 122143, 244286, 488572, 750307, 1500614, 3001228, 5252149, 10504298, 21008596]

約数ペア:

[(1, 21008596), (2, 10504298), (4, 5252149), (7, 3001228), (14, 1500614), (28, 750307), (43, 488572), (86, 244286), (172, 122143), (301, 69796), (602, 34898), (1204, 17449)]