21909393

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14033007

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1039, 1917, 2343, 3117, 7029, 9351, 11429, 21087, 28053, 34287, 73769, 102861, 221307, 308583, 663921, 811459, 1991763, 2434377, 7303131, 21909393]

約数ペア:

[(1, 21909393), (3, 7303131), (9, 2434377), (11, 1991763), (27, 811459), (33, 663921), (71, 308583), (99, 221307), (213, 102861), (297, 73769), (639, 34287), (781, 28053), (1039, 21087), (1917, 11429), (2343, 9351), (3117, 7029)]