21100016

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8191}}^1$

素因数の和:8229

約数の個数: 40

約数和(自身を含む): 48758784

約数和(自身を除く): 27658768

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8191, 16382, 32764, 57337, 65528, 114674, 131056, 188393, 229348, 376786, 458696, 753572, 917392, 1318751, 1507144, 2637502, 3014288, 5275004, 10550008, 21100016]

約数ペア:

[(1, 21100016), (2, 10550008), (4, 5275004), (7, 3014288), (8, 2637502), (14, 1507144), (16, 1318751), (23, 917392), (28, 753572), (46, 458696), (56, 376786), (92, 229348), (112, 188393), (161, 131056), (184, 114674), (322, 65528), (368, 57337), (644, 32764), (1288, 16382), (2576, 8191)]