21438897664

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{4261}}^1$

素因数の和:4627

約数の個数: 80

約数和(自身を含む): 44367624576

約数和(自身を除く): 22928726912

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 317, 496, 512, 634, 992, 1268, 1984, 2536, 3968, 4261, 5072, 7936, 8522, 9827, 10144, 15872, 17044, 19654, 20288, 34088, 39308, 40576, 68176, 78616, 81152, 132091, 136352, 157232, 162304, 264182, 272704, 314464, 528364, 545408, 628928, 1056728, 1090816, 1257856, 1350737, 2113456, 2181632, 2515712, 2701474, 4226912, 5031424, 5402948, 8453824, 10805896, 16907648, 21611792, 33815296, 41872847, 43223584, 67630592, 83745694, 86447168, 167491388, 172894336, 334982776, 345788672, 669965552, 691577344, 1339931104, 2679862208, 5359724416, 10719448832, 21438897664]

約数ペア:

[(1, 21438897664), (2, 10719448832), (4, 5359724416), (8, 2679862208), (16, 1339931104), (31, 691577344), (32, 669965552), (62, 345788672), (64, 334982776), (124, 172894336), (128, 167491388), (248, 86447168), (256, 83745694), (317, 67630592), (496, 43223584), (512, 41872847), (634, 33815296), (992, 21611792), (1268, 16907648), (1984, 10805896), (2536, 8453824), (3968, 5402948), (4261, 5031424), (5072, 4226912), (7936, 2701474), (8522, 2515712), (9827, 2181632), (10144, 2113456), (15872, 1350737), (17044, 1257856), (19654, 1090816), (20288, 1056728), (34088, 628928), (39308, 545408), (40576, 528364), (68176, 314464), (78616, 272704), (81152, 264182), (132091, 162304), (136352, 157232)]