21931328

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 56

約数和(自身を含む): 46524672

約数和(自身を除く): 24593344

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 184, 188, 317, 368, 376, 634, 736, 752, 1081, 1268, 1472, 1504, 2162, 2536, 3008, 4324, 5072, 7291, 8648, 10144, 14582, 14899, 17296, 20288, 29164, 29798, 34592, 58328, 59596, 69184, 116656, 119192, 233312, 238384, 342677, 466624, 476768, 685354, 953536, 1370708, 2741416, 5482832, 10965664, 21931328]

約数ペア:

[(1, 21931328), (2, 10965664), (4, 5482832), (8, 2741416), (16, 1370708), (23, 953536), (32, 685354), (46, 476768), (47, 466624), (64, 342677), (92, 238384), (94, 233312), (184, 119192), (188, 116656), (317, 69184), (368, 59596), (376, 58328), (634, 34592), (736, 29798), (752, 29164), (1081, 20288), (1268, 17296), (1472, 14899), (1504, 14582), (2162, 10144), (2536, 8648), (3008, 7291), (4324, 5072)]