21028299

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 28761600

約数和(自身を除く): 7733301

約数列:

[1, 3, 79, 83, 237, 249, 1069, 3207, 6557, 19671, 84451, 88727, 253353, 266181, 7009433, 21028299]

約数ペア:

[(1, 21028299), (3, 7009433), (79, 266181), (83, 253353), (237, 88727), (249, 84451), (1069, 19671), (3207, 6557)]