21853864

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1627}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 43369920

約数和(自身を除く): 21516056

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 292, 584, 1627, 1679, 3254, 3358, 6508, 6716, 13016, 13432, 37421, 74842, 118771, 149684, 237542, 299368, 475084, 950168, 2731733, 5463466, 10926932, 21853864]

約数ペア:

[(1, 21853864), (2, 10926932), (4, 5463466), (8, 2731733), (23, 950168), (46, 475084), (73, 299368), (92, 237542), (146, 149684), (184, 118771), (292, 74842), (584, 37421), (1627, 13432), (1679, 13016), (3254, 6716), (3358, 6508)]