21358036

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{907}}^1$

素因数の和:976

約数の個数: 36

約数和(自身を含む): 44288608

約数和(自身を除く): 22930572

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 841, 907, 1682, 1814, 3364, 3628, 5887, 6349, 11774, 12698, 23548, 25396, 26303, 52606, 105212, 184121, 368242, 736484, 762787, 1525574, 3051148, 5339509, 10679018, 21358036]

約数ペア:

[(1, 21358036), (2, 10679018), (4, 5339509), (7, 3051148), (14, 1525574), (28, 762787), (29, 736484), (58, 368242), (116, 184121), (203, 105212), (406, 52606), (812, 26303), (841, 25396), (907, 23548), (1682, 12698), (1814, 11774), (3364, 6349), (3628, 5887)]