21495542848

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{5113}}^1$

素因数の和:5332

約数の個数: 112

約数和(自身を含む): 47718447616

約数和(自身を除く): 26222904768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 163, 208, 248, 326, 403, 416, 496, 652, 806, 832, 992, 1304, 1612, 1984, 2119, 2608, 3224, 4238, 5053, 5113, 5216, 6448, 8476, 10106, 10226, 10432, 12896, 16952, 20212, 20452, 25792, 33904, 40424, 40904, 65689, 66469, 67808, 80848, 81808, 131378, 132938, 135616, 158503, 161696, 163616, 262756, 265876, 317006, 323392, 327232, 525512, 531752, 634012, 833419, 1051024, 1063504, 1268024, 1666838, 2060539, 2102048, 2127008, 2536048, 3333676, 4121078, 4204096, 4254016, 5072096, 6667352, 8242156, 10144192, 10834447, 13334704, 16484312, 21668894, 25835989, 26669408, 32968624, 43337788, 51671978, 53338816, 65937248, 86675576, 103343956, 131874496, 173351152, 206687912, 335867857, 346702304, 413375824, 671735714, 693404608, 826751648, 1343471428, 1653503296, 2686942856, 5373885712, 10747771424, 21495542848]

約数ペア:

[(1, 21495542848), (2, 10747771424), (4, 5373885712), (8, 2686942856), (13, 1653503296), (16, 1343471428), (26, 826751648), (31, 693404608), (32, 671735714), (52, 413375824), (62, 346702304), (64, 335867857), (104, 206687912), (124, 173351152), (163, 131874496), (208, 103343956), (248, 86675576), (326, 65937248), (403, 53338816), (416, 51671978), (496, 43337788), (652, 32968624), (806, 26669408), (832, 25835989), (992, 21668894), (1304, 16484312), (1612, 13334704), (1984, 10834447), (2119, 10144192), (2608, 8242156), (3224, 6667352), (4238, 5072096), (5053, 4254016), (5113, 4204096), (5216, 4121078), (6448, 3333676), (8476, 2536048), (10106, 2127008), (10226, 2102048), (10432, 2060539), (12896, 1666838), (16952, 1268024), (20212, 1063504), (20452, 1051024), (25792, 833419), (33904, 634012), (40424, 531752), (40904, 525512), (65689, 327232), (66469, 323392), (67808, 317006), (80848, 265876), (81808, 262756), (131378, 163616), (132938, 161696), (135616, 158503)]