21616260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360271}}^1$

素因数の和:360283

約数の個数: 24

約数和(自身を含む): 60525696

約数和(自身を除く): 38909436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360271, 720542, 1080813, 1441084, 1801355, 2161626, 3602710, 4323252, 5404065, 7205420, 10808130, 21616260]

約数ペア:

[(1, 21616260), (2, 10808130), (3, 7205420), (4, 5404065), (5, 4323252), (6, 3602710), (10, 2161626), (12, 1801355), (15, 1441084), (20, 1080813), (30, 720542), (60, 360271)]