21586136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18869}}^1$

素因数の和:18899

約数の個数: 32

約数和(自身を含む): 47552400

約数和(自身を除く): 25966264

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18869, 37738, 75476, 150952, 207559, 245297, 415118, 490594, 830236, 981188, 1660472, 1962376, 2698267, 5396534, 10793068, 21586136]

約数ペア:

[(1, 21586136), (2, 10793068), (4, 5396534), (8, 2698267), (11, 1962376), (13, 1660472), (22, 981188), (26, 830236), (44, 490594), (52, 415118), (88, 245297), (104, 207559), (143, 150952), (286, 75476), (572, 37738), (1144, 18869)]