21994456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2293}}^1$

素因数の和:2419

約数の個数: 32

約数和(自身を含む): 45421200

約数和(自身を除く): 23426744

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2293, 2398, 4586, 4796, 9172, 9592, 18344, 25223, 50446, 100892, 201784, 249937, 499874, 999748, 1999496, 2749307, 5498614, 10997228, 21994456]

約数ペア:

[(1, 21994456), (2, 10997228), (4, 5498614), (8, 2749307), (11, 1999496), (22, 999748), (44, 499874), (88, 249937), (109, 201784), (218, 100892), (436, 50446), (872, 25223), (1199, 18344), (2293, 9592), (2398, 9172), (4586, 4796)]