21901792

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 48166272

約数和(自身を除く): 26264480

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1447, 1892, 2894, 3784, 5788, 7568, 11576, 15136, 15917, 23152, 31834, 46304, 62221, 63668, 124442, 127336, 248884, 254672, 497768, 509344, 684431, 995536, 1368862, 1991072, 2737724, 5475448, 10950896, 21901792]

約数ペア:

[(1, 21901792), (2, 10950896), (4, 5475448), (8, 2737724), (11, 1991072), (16, 1368862), (22, 995536), (32, 684431), (43, 509344), (44, 497768), (86, 254672), (88, 248884), (172, 127336), (176, 124442), (344, 63668), (352, 62221), (473, 46304), (688, 31834), (946, 23152), (1376, 15917), (1447, 15136), (1892, 11576), (2894, 7568), (3784, 5788)]