21196434385

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{77573}}^1$

素因数の和:77833

約数の個数: 32

約数和(自身を含む): 29996934912

約数和(自身を除く): 8800500527

約数列:

[1, 5, 7, 35, 37, 185, 211, 259, 1055, 1295, 1477, 7385, 7807, 39035, 54649, 77573, 273245, 387865, 543011, 2715055, 2870201, 14351005, 16367903, 20091407, 81839515, 100457035, 114575321, 572876605, 605612411, 3028062055, 4239286877, 21196434385]

約数ペア:

[(1, 21196434385), (5, 4239286877), (7, 3028062055), (35, 605612411), (37, 572876605), (185, 114575321), (211, 100457035), (259, 81839515), (1055, 20091407), (1295, 16367903), (1477, 14351005), (7385, 2870201), (7807, 2715055), (39035, 543011), (54649, 387865), (77573, 273245)]