21626290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1361}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 44717184

約数和(自身を除く): 23090894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 1135, 1361, 1589, 2270, 2722, 3178, 6805, 7945, 9527, 13610, 15890, 19054, 47635, 95270, 308947, 617894, 1544735, 2162629, 3089470, 4325258, 10813145, 21626290]

約数ペア:

[(1, 21626290), (2, 10813145), (5, 4325258), (7, 3089470), (10, 2162629), (14, 1544735), (35, 617894), (70, 308947), (227, 95270), (454, 47635), (1135, 19054), (1361, 15890), (1589, 13610), (2270, 9527), (2722, 7945), (3178, 6805)]