21009984384

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{4951}}^1$

素因数の和:5268

約数の個数: 128

約数和(自身を含む): 57339406080

約数和(自身を除く): 36329421696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 257, 258, 344, 384, 514, 516, 688, 771, 1028, 1032, 1376, 1542, 2056, 2064, 2752, 3084, 4112, 4128, 4951, 5504, 6168, 8224, 8256, 9902, 11051, 12336, 14853, 16448, 16512, 19804, 22102, 24672, 29706, 32896, 33153, 39608, 44204, 49344, 59412, 66306, 79216, 88408, 98688, 118824, 132612, 158432, 176816, 212893, 237648, 265224, 316864, 353632, 425786, 475296, 530448, 633728, 638679, 707264, 851572, 950592, 1060896, 1272407, 1277358, 1414528, 1703144, 1901184, 2121792, 2544814, 2554716, 3406288, 3817221, 4243584, 5089628, 5109432, 6812576, 7634442, 10179256, 10218864, 13625152, 15268884, 20358512, 20437728, 27250304, 30537768, 40717024, 40875456, 54713501, 61075536, 81434048, 81750912, 109427002, 122151072, 162868096, 164140503, 218854004, 244302144, 328281006, 437708008, 488604288, 656562012, 875416016, 1313124024, 1750832032, 2626248048, 3501664064, 5252496096, 7003328128, 10504992192, 21009984384]

約数ペア:

[(1, 21009984384), (2, 10504992192), (3, 7003328128), (4, 5252496096), (6, 3501664064), (8, 2626248048), (12, 1750832032), (16, 1313124024), (24, 875416016), (32, 656562012), (43, 488604288), (48, 437708008), (64, 328281006), (86, 244302144), (96, 218854004), (128, 164140503), (129, 162868096), (172, 122151072), (192, 109427002), (257, 81750912), (258, 81434048), (344, 61075536), (384, 54713501), (514, 40875456), (516, 40717024), (688, 30537768), (771, 27250304), (1028, 20437728), (1032, 20358512), (1376, 15268884), (1542, 13625152), (2056, 10218864), (2064, 10179256), (2752, 7634442), (3084, 6812576), (4112, 5109432), (4128, 5089628), (4951, 4243584), (5504, 3817221), (6168, 3406288), (8224, 2554716), (8256, 2544814), (9902, 2121792), (11051, 1901184), (12336, 1703144), (14853, 1414528), (16448, 1277358), (16512, 1272407), (19804, 1060896), (22102, 950592), (24672, 851572), (29706, 707264), (32896, 638679), (33153, 633728), (39608, 530448), (44204, 475296), (49344, 425786), (59412, 353632), (66306, 316864), (79216, 265224), (88408, 237648), (98688, 212893), (118824, 176816), (132612, 158432)]