21368347

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21347}}^1$

素因数の和:21378

約数の個数: 16

約数和(自身を含む): 28691712

約数和(自身を除く): 7323365

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21347, 149429, 234817, 277511, 1643719, 1942577, 3052621, 21368347]

約数ペア:

[(1, 21368347), (7, 3052621), (11, 1942577), (13, 1643719), (77, 277511), (91, 234817), (143, 149429), (1001, 21347)]