21090268672

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{11813}}^1$

素因数の和:12159

約数の個数: 80

約数和(自身を含む): 46119115152

約数和(自身を除く): 25028846480

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 317, 352, 512, 634, 704, 1268, 1408, 2536, 2816, 3487, 5072, 5632, 6974, 10144, 11813, 13948, 20288, 23626, 27896, 40576, 47252, 55792, 81152, 94504, 111584, 129943, 162304, 189008, 223168, 259886, 378016, 446336, 519772, 756032, 892672, 1039544, 1512064, 1785344, 2079088, 3024128, 3744721, 4158176, 6048256, 7489442, 8316352, 14978884, 16632704, 29957768, 33265408, 41191931, 59915536, 66530816, 82383862, 119831072, 164767724, 239662144, 329535448, 479324288, 659070896, 958648576, 1318141792, 1917297152, 2636283584, 5272567168, 10545134336, 21090268672]

約数ペア:

[(1, 21090268672), (2, 10545134336), (4, 5272567168), (8, 2636283584), (11, 1917297152), (16, 1318141792), (22, 958648576), (32, 659070896), (44, 479324288), (64, 329535448), (88, 239662144), (128, 164767724), (176, 119831072), (256, 82383862), (317, 66530816), (352, 59915536), (512, 41191931), (634, 33265408), (704, 29957768), (1268, 16632704), (1408, 14978884), (2536, 8316352), (2816, 7489442), (3487, 6048256), (5072, 4158176), (5632, 3744721), (6974, 3024128), (10144, 2079088), (11813, 1785344), (13948, 1512064), (20288, 1039544), (23626, 892672), (27896, 756032), (40576, 519772), (47252, 446336), (55792, 378016), (81152, 259886), (94504, 223168), (111584, 189008), (129943, 162304)]