21052071232

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{258803}}^1$

素因数の和:258887

約数の個数: 56

約数和(自身を含む): 44174737152

約数和(自身を除く): 23122665920

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 164, 248, 328, 496, 656, 992, 1271, 1312, 1984, 2542, 2624, 5084, 10168, 20336, 40672, 81344, 258803, 517606, 1035212, 2070424, 4140848, 8022893, 8281696, 10610923, 16045786, 16563392, 21221846, 32091572, 42443692, 64183144, 84887384, 128366288, 169774768, 256732576, 328938613, 339549536, 513465152, 657877226, 679099072, 1315754452, 2631508904, 5263017808, 10526035616, 21052071232]

約数ペア:

[(1, 21052071232), (2, 10526035616), (4, 5263017808), (8, 2631508904), (16, 1315754452), (31, 679099072), (32, 657877226), (41, 513465152), (62, 339549536), (64, 328938613), (82, 256732576), (124, 169774768), (164, 128366288), (248, 84887384), (328, 64183144), (496, 42443692), (656, 32091572), (992, 21221846), (1271, 16563392), (1312, 16045786), (1984, 10610923), (2542, 8281696), (2624, 8022893), (5084, 4140848), (10168, 2070424), (20336, 1035212), (40672, 517606), (81344, 258803)]