21864580

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3863}}^1$

素因数の和:4155

約数の個数: 24

約数和(自身を含む): 46089792

約数和(自身を除く): 24225212

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3863, 5660, 7726, 15452, 19315, 38630, 77260, 1093229, 2186458, 4372916, 5466145, 10932290, 21864580]

約数ペア:

[(1, 21864580), (2, 10932290), (4, 5466145), (5, 4372916), (10, 2186458), (20, 1093229), (283, 77260), (566, 38630), (1132, 19315), (1415, 15452), (2830, 7726), (3863, 5660)]