21516082

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 38218752

約数和(自身を除く): 16702670

約数列:

[1, 2, 7, 14, 43, 86, 103, 206, 301, 347, 602, 694, 721, 1442, 2429, 4429, 4858, 8858, 14921, 29842, 31003, 35741, 62006, 71482, 104447, 208894, 250187, 500374, 1536863, 3073726, 10758041, 21516082]

約数ペア:

[(1, 21516082), (2, 10758041), (7, 3073726), (14, 1536863), (43, 500374), (86, 250187), (103, 208894), (206, 104447), (301, 71482), (347, 62006), (602, 35741), (694, 31003), (721, 29842), (1442, 14921), (2429, 8858), (4429, 4858)]