21316608

素因数分解:

$2^{10}\times 3^4\times {\mathrm{257}}^1$

素因数の和:289

約数の個数: 110

約数和(自身を含む): 63903246

約数和(自身を除く): 42586638

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 257, 288, 324, 384, 432, 512, 514, 576, 648, 768, 771, 864, 1024, 1028, 1152, 1296, 1536, 1542, 1728, 2056, 2304, 2313, 2592, 3072, 3084, 3456, 4112, 4608, 4626, 5184, 6168, 6912, 6939, 8224, 9216, 9252, 10368, 12336, 13824, 13878, 16448, 18504, 20736, 20817, 24672, 27648, 27756, 32896, 37008, 41472, 41634, 49344, 55512, 65792, 74016, 82944, 83268, 98688, 111024, 131584, 148032, 166536, 197376, 222048, 263168, 296064, 333072, 394752, 444096, 592128, 666144, 789504, 888192, 1184256, 1332288, 1776384, 2368512, 2664576, 3552768, 5329152, 7105536, 10658304, 21316608]

約数ペア:

[(1, 21316608), (2, 10658304), (3, 7105536), (4, 5329152), (6, 3552768), (8, 2664576), (9, 2368512), (12, 1776384), (16, 1332288), (18, 1184256), (24, 888192), (27, 789504), (32, 666144), (36, 592128), (48, 444096), (54, 394752), (64, 333072), (72, 296064), (81, 263168), (96, 222048), (108, 197376), (128, 166536), (144, 148032), (162, 131584), (192, 111024), (216, 98688), (256, 83268), (257, 82944), (288, 74016), (324, 65792), (384, 55512), (432, 49344), (512, 41634), (514, 41472), (576, 37008), (648, 32896), (768, 27756), (771, 27648), (864, 24672), (1024, 20817), (1028, 20736), (1152, 18504), (1296, 16448), (1536, 13878), (1542, 13824), (1728, 12336), (2056, 10368), (2304, 9252), (2313, 9216), (2592, 8224), (3072, 6939), (3084, 6912), (3456, 6168), (4112, 5184), (4608, 4626)]