21799681281

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1\times {\mathrm{3251}}^1$

素因数の和:5371

約数の個数: 64

約数和(自身を含む): 39111413760

約数和(自身を除く): 17311732479

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 2087, 3213, 3251, 6261, 9753, 14609, 18783, 22757, 29259, 35479, 43827, 55267, 56349, 68271, 87777, 106437, 131481, 165801, 204813, 248353, 319311, 386869, 394443, 497403, 614439, 745059, 957933, 1160607, 1492209, 2235177, 3481821, 6705531, 6784837, 10445463, 20354511, 47493859, 61063533, 115342229, 142481577, 183190599, 346026687, 427444731, 807395603, 1038080061, 1282334193, 2422186809, 3114240183, 7266560427, 21799681281]

約数ペア:

[(1, 21799681281), (3, 7266560427), (7, 3114240183), (9, 2422186809), (17, 1282334193), (21, 1038080061), (27, 807395603), (51, 427444731), (63, 346026687), (119, 183190599), (153, 142481577), (189, 115342229), (357, 61063533), (459, 47493859), (1071, 20354511), (2087, 10445463), (3213, 6784837), (3251, 6705531), (6261, 3481821), (9753, 2235177), (14609, 1492209), (18783, 1160607), (22757, 957933), (29259, 745059), (35479, 614439), (43827, 497403), (55267, 394443), (56349, 386869), (68271, 319311), (87777, 248353), (106437, 204813), (131481, 165801)]