21390188416

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1259}}^1$

素因数の和:1524

約数の個数: 128

約数和(自身を含む): 46267200000

約数和(自身を除く): 24877011584

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 46, 58, 64, 92, 116, 128, 184, 199, 232, 368, 398, 464, 667, 736, 796, 928, 1259, 1334, 1472, 1592, 1856, 2518, 2668, 2944, 3184, 3712, 4577, 5036, 5336, 5771, 6368, 9154, 10072, 10672, 11542, 12736, 18308, 20144, 21344, 23084, 25472, 28957, 36511, 36616, 40288, 42688, 46168, 57914, 73022, 73232, 80576, 85376, 92336, 115828, 132733, 146044, 146464, 161152, 184672, 231656, 250541, 265466, 292088, 292928, 369344, 463312, 501082, 530932, 584176, 585856, 738688, 839753, 926624, 1002164, 1061864, 1168352, 1679506, 1853248, 2004328, 2123728, 2336704, 3359012, 3706496, 4008656, 4247456, 4673408, 5762443, 6718024, 7265689, 8017312, 8494912, 11524886, 13436048, 14531378, 16034624, 16989824, 23049772, 26872096, 29062756, 32069248, 46099544, 53744192, 58125512, 92199088, 107488384, 116251024, 167110847, 184398176, 232502048, 334221694, 368796352, 465004096, 668443388, 737592704, 930008192, 1336886776, 2673773552, 5347547104, 10695094208, 21390188416]

約数ペア:

[(1, 21390188416), (2, 10695094208), (4, 5347547104), (8, 2673773552), (16, 1336886776), (23, 930008192), (29, 737592704), (32, 668443388), (46, 465004096), (58, 368796352), (64, 334221694), (92, 232502048), (116, 184398176), (128, 167110847), (184, 116251024), (199, 107488384), (232, 92199088), (368, 58125512), (398, 53744192), (464, 46099544), (667, 32069248), (736, 29062756), (796, 26872096), (928, 23049772), (1259, 16989824), (1334, 16034624), (1472, 14531378), (1592, 13436048), (1856, 11524886), (2518, 8494912), (2668, 8017312), (2944, 7265689), (3184, 6718024), (3712, 5762443), (4577, 4673408), (5036, 4247456), (5336, 4008656), (5771, 3706496), (6368, 3359012), (9154, 2336704), (10072, 2123728), (10672, 2004328), (11542, 1853248), (12736, 1679506), (18308, 1168352), (20144, 1061864), (21344, 1002164), (23084, 926624), (25472, 839753), (28957, 738688), (36511, 585856), (36616, 584176), (40288, 530932), (42688, 501082), (46168, 463312), (57914, 369344), (73022, 292928), (73232, 292088), (80576, 265466), (85376, 250541), (92336, 231656), (115828, 184672), (132733, 161152), (146044, 146464)]