21515166

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 31361634

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 102, 138, 153, 207, 306, 391, 414, 459, 621, 782, 918, 1019, 1173, 1242, 2038, 2346, 3057, 3519, 6114, 7038, 9171, 10557, 17323, 18342, 21114, 23437, 27513, 34646, 46874, 51969, 55026, 70311, 103938, 140622, 155907, 210933, 311814, 398429, 421866, 467721, 632799, 796858, 935442, 1195287, 1265598, 2390574, 3585861, 7171722, 10757583, 21515166]

約数ペア:

[(1, 21515166), (2, 10757583), (3, 7171722), (6, 3585861), (9, 2390574), (17, 1265598), (18, 1195287), (23, 935442), (27, 796858), (34, 632799), (46, 467721), (51, 421866), (54, 398429), (69, 311814), (102, 210933), (138, 155907), (153, 140622), (207, 103938), (306, 70311), (391, 55026), (414, 51969), (459, 46874), (621, 34646), (782, 27513), (918, 23437), (1019, 21114), (1173, 18342), (1242, 17323), (2038, 10557), (2346, 9171), (3057, 7038), (3519, 6114)]