21431192

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 41489280

約数和(自身を除く): 20058088

約数列:

[1, 2, 4, 8, 41, 82, 164, 223, 293, 328, 446, 586, 892, 1172, 1784, 2344, 9143, 12013, 18286, 24026, 36572, 48052, 65339, 73144, 96104, 130678, 261356, 522712, 2678899, 5357798, 10715596, 21431192]

約数ペア:

[(1, 21431192), (2, 10715596), (4, 5357798), (8, 2678899), (41, 522712), (82, 261356), (164, 130678), (223, 96104), (293, 73144), (328, 65339), (446, 48052), (586, 36572), (892, 24026), (1172, 18286), (1784, 12013), (2344, 9143)]