21599876

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 16986364

約数列:

[1, 2, 4, 107, 109, 214, 218, 428, 436, 463, 926, 1852, 11663, 23326, 46652, 49541, 50467, 99082, 100934, 198164, 201868, 5399969, 10799938, 21599876]

約数ペア:

[(1, 21599876), (2, 10799938), (4, 5399969), (107, 201868), (109, 198164), (214, 100934), (218, 99082), (428, 50467), (436, 49541), (463, 46652), (926, 23326), (1852, 11663)]