21953822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 38396160

約数和(自身を除く): 16442338

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 946, 989, 1009, 1978, 2018, 10879, 11099, 21758, 22198, 23207, 43387, 46414, 86774, 255277, 477257, 510554, 954514, 997901, 1995802, 10976911, 21953822]

約数ペア:

[(1, 21953822), (2, 10976911), (11, 1995802), (22, 997901), (23, 954514), (43, 510554), (46, 477257), (86, 255277), (253, 86774), (473, 46414), (506, 43387), (946, 23207), (989, 22198), (1009, 21758), (1978, 11099), (2018, 10879)]