21384363

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7121}}^1$

素因数の和:7155

約数の個数: 32

約数和(自身を含む): 38287872

約数和(自身を除く): 16903509

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 7121, 21363, 49847, 78331, 92573, 149541, 234993, 277719, 548317, 648011, 1018303, 1644951, 1944033, 3054909, 7128121, 21384363]

約数ペア:

[(1, 21384363), (3, 7128121), (7, 3054909), (11, 1944033), (13, 1644951), (21, 1018303), (33, 648011), (39, 548317), (77, 277719), (91, 234993), (143, 149541), (231, 92573), (273, 78331), (429, 49847), (1001, 21363), (3003, 7121)]