21914343

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 37908000

約数和(自身を除く): 15993657

約数列:

[1, 3, 9, 11, 17, 29, 33, 51, 87, 99, 153, 187, 261, 319, 449, 493, 561, 957, 1347, 1479, 1683, 2871, 4041, 4437, 4939, 5423, 7633, 13021, 14817, 16269, 22899, 39063, 44451, 48807, 68697, 83963, 117189, 143231, 221357, 251889, 429693, 664071, 755667, 1289079, 1992213, 2434927, 7304781, 21914343]

約数ペア:

[(1, 21914343), (3, 7304781), (9, 2434927), (11, 1992213), (17, 1289079), (29, 755667), (33, 664071), (51, 429693), (87, 251889), (99, 221357), (153, 143231), (187, 117189), (261, 83963), (319, 68697), (449, 48807), (493, 44451), (561, 39063), (957, 22899), (1347, 16269), (1479, 14817), (1683, 13021), (2871, 7633), (4041, 5423), (4437, 4939)]