21000339370

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1\times {\mathrm{58757}}^1$

素因数の和:59214

約数の個数: 32

約数和(自身を含む): 38278251648

約数和(自身を除く): 17277912278

約数列:

[1, 2, 5, 10, 103, 206, 347, 515, 694, 1030, 1735, 3470, 35741, 58757, 71482, 117514, 178705, 293785, 357410, 587570, 6051971, 12103942, 20388679, 30259855, 40777358, 60519710, 101943395, 203886790, 2100033937, 4200067874, 10500169685, 21000339370]

約数ペア:

[(1, 21000339370), (2, 10500169685), (5, 4200067874), (10, 2100033937), (103, 203886790), (206, 101943395), (347, 60519710), (515, 40777358), (694, 30259855), (1030, 20388679), (1735, 12103942), (3470, 6051971), (35741, 587570), (58757, 357410), (71482, 293785), (117514, 178705)]