21622755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 43803648

約数和(自身を除く): 22180893

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 97, 105, 165, 193, 231, 291, 385, 485, 579, 679, 965, 1067, 1155, 1351, 1455, 2037, 2123, 2895, 3201, 3395, 4053, 5335, 6369, 6755, 7469, 10185, 10615, 14861, 16005, 18721, 20265, 22407, 31845, 37345, 44583, 56163, 74305, 93605, 112035, 131047, 205931, 222915, 280815, 393141, 617793, 655235, 1029655, 1441517, 1965705, 3088965, 4324551, 7207585, 21622755]

約数ペア:

[(1, 21622755), (3, 7207585), (5, 4324551), (7, 3088965), (11, 1965705), (15, 1441517), (21, 1029655), (33, 655235), (35, 617793), (55, 393141), (77, 280815), (97, 222915), (105, 205931), (165, 131047), (193, 112035), (231, 93605), (291, 74305), (385, 56163), (485, 44583), (579, 37345), (679, 31845), (965, 22407), (1067, 20265), (1155, 18721), (1351, 16005), (1455, 14861), (2037, 10615), (2123, 10185), (2895, 7469), (3201, 6755), (3395, 6369), (4053, 5335)]