21010360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{75037}}^1$

素因数の和:75055

約数の個数: 32

約数和(自身を含む): 54027360

約数和(自身を除く): 33017000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 75037, 150074, 300148, 375185, 525259, 600296, 750370, 1050518, 1500740, 2101036, 2626295, 3001480, 4202072, 5252590, 10505180, 21010360]

約数ペア:

[(1, 21010360), (2, 10505180), (4, 5252590), (5, 4202072), (7, 3001480), (8, 2626295), (10, 2101036), (14, 1500740), (20, 1050518), (28, 750370), (35, 600296), (40, 525259), (56, 375185), (70, 300148), (140, 150074), (280, 75037)]