21158049584

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11112421}}^1$

素因数の和:11112453

約数の個数: 40

約数和(自身を含む): 49605851808

約数和(自身を除く): 28447802224

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11112421, 22224842, 44449684, 77786947, 88899368, 155573894, 177798736, 188911157, 311147788, 377822314, 622295576, 755644628, 1244591152, 1322378099, 1511289256, 2644756198, 3022578512, 5289512396, 10579024792, 21158049584]

約数ペア:

[(1, 21158049584), (2, 10579024792), (4, 5289512396), (7, 3022578512), (8, 2644756198), (14, 1511289256), (16, 1322378099), (17, 1244591152), (28, 755644628), (34, 622295576), (56, 377822314), (68, 311147788), (112, 188911157), (119, 177798736), (136, 155573894), (238, 88899368), (272, 77786947), (476, 44449684), (952, 22224842), (1904, 11112421)]