21552216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128287}}^1$

素因数の和:128303

約数の個数: 32

約数和(自身を含む): 61578240

約数和(自身を除く): 40026024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128287, 256574, 384861, 513148, 769722, 898009, 1026296, 1539444, 1796018, 2694027, 3078888, 3592036, 5388054, 7184072, 10776108, 21552216]

約数ペア:

[(1, 21552216), (2, 10776108), (3, 7184072), (4, 5388054), (6, 3592036), (7, 3078888), (8, 2694027), (12, 1796018), (14, 1539444), (21, 1026296), (24, 898009), (28, 769722), (42, 513148), (56, 384861), (84, 256574), (168, 128287)]