21203056

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8231}}^1$

素因数の和:8269

約数の個数: 40

約数和(自身を含む): 48996864

約数和(自身を除く): 27793808

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8231, 16462, 32924, 57617, 65848, 115234, 131696, 189313, 230468, 378626, 460936, 757252, 921872, 1325191, 1514504, 2650382, 3029008, 5300764, 10601528, 21203056]

約数ペア:

[(1, 21203056), (2, 10601528), (4, 5300764), (7, 3029008), (8, 2650382), (14, 1514504), (16, 1325191), (23, 921872), (28, 757252), (46, 460936), (56, 378626), (92, 230468), (112, 189313), (161, 131696), (184, 115234), (322, 65848), (368, 57617), (644, 32924), (1288, 16462), (2576, 8231)]