21346120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28087}}^1$

素因数の和:28117

約数の個数: 32

約数和(自身を含む): 50558400

約数和(自身を除く): 29212280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28087, 56174, 112348, 140435, 224696, 280870, 533653, 561740, 1067306, 1123480, 2134612, 2668265, 4269224, 5336530, 10673060, 21346120]

約数ペア:

[(1, 21346120), (2, 10673060), (4, 5336530), (5, 4269224), (8, 2668265), (10, 2134612), (19, 1123480), (20, 1067306), (38, 561740), (40, 533653), (76, 280870), (95, 224696), (152, 140435), (190, 112348), (380, 56174), (760, 28087)]