21196260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117757}}^1$

素因数の和:117772

約数の個数: 36

約数和(自身を含む): 64295868

約数和(自身を除く): 43099608

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117757, 235514, 353271, 471028, 588785, 706542, 1059813, 1177570, 1413084, 1766355, 2119626, 2355140, 3532710, 4239252, 5299065, 7065420, 10598130, 21196260]

約数ペア:

[(1, 21196260), (2, 10598130), (3, 7065420), (4, 5299065), (5, 4239252), (6, 3532710), (9, 2355140), (10, 2119626), (12, 1766355), (15, 1413084), (18, 1177570), (20, 1059813), (30, 706542), (36, 588785), (45, 471028), (60, 353271), (90, 235514), (180, 117757)]