21734937

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{359}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 37177920

約数和(自身を除く): 15442983

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 359, 651, 961, 1077, 1953, 2513, 2883, 3231, 6727, 7539, 8649, 11129, 20181, 22617, 33387, 60543, 77903, 100161, 233709, 344999, 701127, 1034997, 2414993, 3104991, 7244979, 21734937]

約数ペア:

[(1, 21734937), (3, 7244979), (7, 3104991), (9, 2414993), (21, 1034997), (31, 701127), (63, 344999), (93, 233709), (217, 100161), (279, 77903), (359, 60543), (651, 33387), (961, 22617), (1077, 20181), (1953, 11129), (2513, 8649), (2883, 7539), (3231, 6727)]