21100688

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:951

約数の個数: 40

約数和(自身を含む): 46955328

約数和(自身を除く): 25854640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 586, 643, 1172, 1286, 2051, 2344, 2572, 4102, 4501, 4688, 5144, 8204, 9002, 10288, 16408, 18004, 32816, 36008, 72016, 188399, 376798, 753596, 1318793, 1507192, 2637586, 3014384, 5275172, 10550344, 21100688]

約数ペア:

[(1, 21100688), (2, 10550344), (4, 5275172), (7, 3014384), (8, 2637586), (14, 1507192), (16, 1318793), (28, 753596), (56, 376798), (112, 188399), (293, 72016), (586, 36008), (643, 32816), (1172, 18004), (1286, 16408), (2051, 10288), (2344, 9002), (2572, 8204), (4102, 5144), (4501, 4688)]