21897216

素因数分解:

$2^{13}\times 3^5\times {\mathrm{11}}^1$

素因数の和:52

約数の個数: 168

約数和(自身を含む): 71560944

約数和(自身を除く): 49663728

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 81, 88, 96, 99, 108, 128, 132, 144, 162, 176, 192, 198, 216, 243, 256, 264, 288, 297, 324, 352, 384, 396, 432, 486, 512, 528, 576, 594, 648, 704, 768, 792, 864, 891, 972, 1024, 1056, 1152, 1188, 1296, 1408, 1536, 1584, 1728, 1782, 1944, 2048, 2112, 2304, 2376, 2592, 2673, 2816, 3072, 3168, 3456, 3564, 3888, 4096, 4224, 4608, 4752, 5184, 5346, 5632, 6144, 6336, 6912, 7128, 7776, 8192, 8448, 9216, 9504, 10368, 10692, 11264, 12288, 12672, 13824, 14256, 15552, 16896, 18432, 19008, 20736, 21384, 22528, 24576, 25344, 27648, 28512, 31104, 33792, 36864, 38016, 41472, 42768, 45056, 50688, 55296, 57024, 62208, 67584, 73728, 76032, 82944, 85536, 90112, 101376, 110592, 114048, 124416, 135168, 152064, 165888, 171072, 202752, 221184, 228096, 248832, 270336, 304128, 331776, 342144, 405504, 456192, 497664, 608256, 663552, 684288, 811008, 912384, 995328, 1216512, 1368576, 1824768, 1990656, 2433024, 2737152, 3649536, 5474304, 7299072, 10948608, 21897216]

約数ペア:

[(1, 21897216), (2, 10948608), (3, 7299072), (4, 5474304), (6, 3649536), (8, 2737152), (9, 2433024), (11, 1990656), (12, 1824768), (16, 1368576), (18, 1216512), (22, 995328), (24, 912384), (27, 811008), (32, 684288), (33, 663552), (36, 608256), (44, 497664), (48, 456192), (54, 405504), (64, 342144), (66, 331776), (72, 304128), (81, 270336), (88, 248832), (96, 228096), (99, 221184), (108, 202752), (128, 171072), (132, 165888), (144, 152064), (162, 135168), (176, 124416), (192, 114048), (198, 110592), (216, 101376), (243, 90112), (256, 85536), (264, 82944), (288, 76032), (297, 73728), (324, 67584), (352, 62208), (384, 57024), (396, 55296), (432, 50688), (486, 45056), (512, 42768), (528, 41472), (576, 38016), (594, 36864), (648, 33792), (704, 31104), (768, 28512), (792, 27648), (864, 25344), (891, 24576), (972, 22528), (1024, 21384), (1056, 20736), (1152, 19008), (1188, 18432), (1296, 16896), (1408, 15552), (1536, 14256), (1584, 13824), (1728, 12672), (1782, 12288), (1944, 11264), (2048, 10692), (2112, 10368), (2304, 9504), (2376, 9216), (2592, 8448), (2673, 8192), (2816, 7776), (3072, 7128), (3168, 6912), (3456, 6336), (3564, 6144), (3888, 5632), (4096, 5346), (4224, 5184), (4608, 4752)]