21664896

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 65802240

約数和(自身を除く): 44137344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 64, 66, 69, 88, 92, 96, 128, 132, 138, 176, 184, 192, 223, 253, 264, 276, 352, 368, 384, 446, 506, 528, 552, 669, 704, 736, 759, 892, 1012, 1056, 1104, 1338, 1408, 1472, 1518, 1784, 2024, 2112, 2208, 2453, 2676, 2944, 3036, 3568, 4048, 4224, 4416, 4906, 5129, 5352, 6072, 7136, 7359, 8096, 8832, 9812, 10258, 10704, 12144, 14272, 14718, 15387, 16192, 19624, 20516, 21408, 24288, 28544, 29436, 30774, 32384, 39248, 41032, 42816, 48576, 56419, 58872, 61548, 78496, 82064, 85632, 97152, 112838, 117744, 123096, 156992, 164128, 169257, 225676, 235488, 246192, 313984, 328256, 338514, 451352, 470976, 492384, 656512, 677028, 902704, 941952, 984768, 1354056, 1805408, 1969536, 2708112, 3610816, 5416224, 7221632, 10832448, 21664896]

約数ペア:

[(1, 21664896), (2, 10832448), (3, 7221632), (4, 5416224), (6, 3610816), (8, 2708112), (11, 1969536), (12, 1805408), (16, 1354056), (22, 984768), (23, 941952), (24, 902704), (32, 677028), (33, 656512), (44, 492384), (46, 470976), (48, 451352), (64, 338514), (66, 328256), (69, 313984), (88, 246192), (92, 235488), (96, 225676), (128, 169257), (132, 164128), (138, 156992), (176, 123096), (184, 117744), (192, 112838), (223, 97152), (253, 85632), (264, 82064), (276, 78496), (352, 61548), (368, 58872), (384, 56419), (446, 48576), (506, 42816), (528, 41032), (552, 39248), (669, 32384), (704, 30774), (736, 29436), (759, 28544), (892, 24288), (1012, 21408), (1056, 20516), (1104, 19624), (1338, 16192), (1408, 15387), (1472, 14718), (1518, 14272), (1784, 12144), (2024, 10704), (2112, 10258), (2208, 9812), (2453, 8832), (2676, 8096), (2944, 7359), (3036, 7136), (3568, 6072), (4048, 5352), (4224, 5129), (4416, 4906)]