21348048

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 58674816

約数和(自身を除く): 37326768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 61, 69, 92, 122, 138, 183, 184, 244, 276, 317, 366, 368, 488, 552, 634, 732, 951, 976, 1104, 1268, 1403, 1464, 1902, 2536, 2806, 2928, 3804, 4209, 5072, 5612, 7291, 7608, 8418, 11224, 14582, 15216, 16836, 19337, 21873, 22448, 29164, 33672, 38674, 43746, 58011, 58328, 67344, 77348, 87492, 116022, 116656, 154696, 174984, 232044, 309392, 349968, 444751, 464088, 889502, 928176, 1334253, 1779004, 2668506, 3558008, 5337012, 7116016, 10674024, 21348048]

約数ペア:

[(1, 21348048), (2, 10674024), (3, 7116016), (4, 5337012), (6, 3558008), (8, 2668506), (12, 1779004), (16, 1334253), (23, 928176), (24, 889502), (46, 464088), (48, 444751), (61, 349968), (69, 309392), (92, 232044), (122, 174984), (138, 154696), (183, 116656), (184, 116022), (244, 87492), (276, 77348), (317, 67344), (366, 58328), (368, 58011), (488, 43746), (552, 38674), (634, 33672), (732, 29164), (951, 22448), (976, 21873), (1104, 19337), (1268, 16836), (1403, 15216), (1464, 14582), (1902, 11224), (2536, 8418), (2806, 7608), (2928, 7291), (3804, 5612), (4209, 5072)]