21361131

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 13682709

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1013, 1917, 2343, 3039, 7029, 9117, 11143, 21087, 27351, 33429, 71923, 100287, 215769, 300861, 647307, 791153, 1941921, 2373459, 7120377, 21361131]

約数ペア:

[(1, 21361131), (3, 7120377), (9, 2373459), (11, 1941921), (27, 791153), (33, 647307), (71, 300861), (99, 215769), (213, 100287), (297, 71923), (639, 33429), (781, 27351), (1013, 21087), (1917, 11143), (2343, 9117), (3039, 7029)]