21233765

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 31186944

約数和(自身を除く): 9953179

約数列:

[1, 5, 7, 17, 35, 85, 119, 127, 281, 595, 635, 889, 1405, 1967, 2159, 4445, 4777, 9835, 10795, 15113, 23885, 33439, 35687, 75565, 167195, 178435, 249809, 606679, 1249045, 3033395, 4246753, 21233765]

約数ペア:

[(1, 21233765), (5, 4246753), (7, 3033395), (17, 1249045), (35, 606679), (85, 249809), (119, 178435), (127, 167195), (281, 75565), (595, 35687), (635, 33439), (889, 23885), (1405, 15113), (1967, 10795), (2159, 9835), (4445, 4777)]