21281712

素因数分解:

$2^4\times 3^1\times {\mathrm{443369}}^1$

素因数の和:443380

約数の個数: 20

約数和(自身を含む): 54977880

約数和(自身を除く): 33696168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443369, 886738, 1330107, 1773476, 2660214, 3546952, 5320428, 7093904, 10640856, 21281712]

約数ペア:

[(1, 21281712), (2, 10640856), (3, 7093904), (4, 5320428), (6, 3546952), (8, 2660214), (12, 1773476), (16, 1330107), (24, 886738), (48, 443369)]