21296835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 46230912

約数和(自身を除く): 24934077

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 41, 45, 51, 63, 85, 97, 105, 119, 123, 153, 205, 255, 287, 291, 315, 357, 369, 485, 595, 615, 679, 697, 765, 861, 873, 1071, 1435, 1455, 1649, 1785, 1845, 2037, 2091, 2583, 3395, 3485, 3977, 4305, 4365, 4879, 4947, 5355, 6111, 6273, 8245, 10185, 10455, 11543, 11931, 12915, 14637, 14841, 19885, 24395, 24735, 27839, 30555, 31365, 34629, 35793, 43911, 57715, 59655, 67609, 73185, 74205, 83517, 103887, 139195, 173145, 178965, 202827, 219555, 250551, 338045, 417585, 473263, 519435, 608481, 1014135, 1252755, 1419789, 2366315, 3042405, 4259367, 7098945, 21296835]

約数ペア:

[(1, 21296835), (3, 7098945), (5, 4259367), (7, 3042405), (9, 2366315), (15, 1419789), (17, 1252755), (21, 1014135), (35, 608481), (41, 519435), (45, 473263), (51, 417585), (63, 338045), (85, 250551), (97, 219555), (105, 202827), (119, 178965), (123, 173145), (153, 139195), (205, 103887), (255, 83517), (287, 74205), (291, 73185), (315, 67609), (357, 59655), (369, 57715), (485, 43911), (595, 35793), (615, 34629), (679, 31365), (697, 30555), (765, 27839), (861, 24735), (873, 24395), (1071, 19885), (1435, 14841), (1455, 14637), (1649, 12915), (1785, 11931), (1845, 11543), (2037, 10455), (2091, 10185), (2583, 8245), (3395, 6273), (3485, 6111), (3977, 5355), (4305, 4947), (4365, 4879)]