21547224

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 58804200

約数和(自身を除く): 37256976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2153, 2502, 3336, 4306, 5004, 6459, 8612, 10008, 12918, 17224, 19377, 25836, 38754, 51672, 77508, 155016, 299267, 598534, 897801, 1197068, 1795602, 2394136, 2693403, 3591204, 5386806, 7182408, 10773612, 21547224]

約数ペア:

[(1, 21547224), (2, 10773612), (3, 7182408), (4, 5386806), (6, 3591204), (8, 2693403), (9, 2394136), (12, 1795602), (18, 1197068), (24, 897801), (36, 598534), (72, 299267), (139, 155016), (278, 77508), (417, 51672), (556, 38754), (834, 25836), (1112, 19377), (1251, 17224), (1668, 12918), (2153, 10008), (2502, 8612), (3336, 6459), (4306, 5004)]