21022712

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 41134080

約数和(自身を除く): 20111368

約数列:

[1, 2, 4, 8, 31, 62, 103, 124, 206, 248, 412, 823, 824, 1646, 3193, 3292, 6386, 6584, 12772, 25513, 25544, 51026, 84769, 102052, 169538, 204104, 339076, 678152, 2627839, 5255678, 10511356, 21022712]

約数ペア:

[(1, 21022712), (2, 10511356), (4, 5255678), (8, 2627839), (31, 678152), (62, 339076), (103, 204104), (124, 169538), (206, 102052), (248, 84769), (412, 51026), (823, 25544), (824, 25513), (1646, 12772), (3193, 6584), (3292, 6386)]