21497788136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5958367}}^1$

素因数の和:5958425

約数の個数: 32

約数和(自身を含む): 45045262080

約数和(自身を除く): 23547473944

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5958367, 11916734, 23833468, 47666936, 65542037, 131084074, 244293047, 262168148, 488586094, 524336296, 977172188, 1954344376, 2687223517, 5374447034, 10748894068, 21497788136]

約数ペア:

[(1, 21497788136), (2, 10748894068), (4, 5374447034), (8, 2687223517), (11, 1954344376), (22, 977172188), (41, 524336296), (44, 488586094), (82, 262168148), (88, 244293047), (164, 131084074), (328, 65542037), (451, 47666936), (902, 23833468), (1804, 11916734), (3608, 5958367)]