21636395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6449}}^1$

素因数の和:6526

約数の個数: 16

約数和(自身を含む): 28792800

約数和(自身を除く): 7156405

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 6449, 32245, 70939, 354695, 393389, 1966945, 4327279, 21636395]

約数ペア:

[(1, 21636395), (5, 4327279), (11, 1966945), (55, 393389), (61, 354695), (305, 70939), (671, 32245), (3355, 6449)]