21336732

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 57212064

約数和(自身を除く): 35875332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 73, 92, 138, 146, 207, 219, 276, 292, 353, 414, 438, 657, 706, 828, 876, 1059, 1314, 1412, 1679, 2118, 2628, 3177, 3358, 4236, 5037, 6354, 6716, 8119, 10074, 12708, 15111, 16238, 20148, 24357, 25769, 30222, 32476, 48714, 51538, 60444, 73071, 77307, 97428, 103076, 146142, 154614, 231921, 292284, 309228, 463842, 592687, 927684, 1185374, 1778061, 2370748, 3556122, 5334183, 7112244, 10668366, 21336732]

約数ペア:

[(1, 21336732), (2, 10668366), (3, 7112244), (4, 5334183), (6, 3556122), (9, 2370748), (12, 1778061), (18, 1185374), (23, 927684), (36, 592687), (46, 463842), (69, 309228), (73, 292284), (92, 231921), (138, 154614), (146, 146142), (207, 103076), (219, 97428), (276, 77307), (292, 73071), (353, 60444), (414, 51538), (438, 48714), (657, 32476), (706, 30222), (828, 25769), (876, 24357), (1059, 20148), (1314, 16238), (1412, 15111), (1679, 12708), (2118, 10074), (2628, 8119), (3177, 6716), (3358, 6354), (4236, 5037)]