21711412

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 38850560

約数和(自身を除く): 17139148

約数列:

[1, 2, 4, 79, 127, 158, 254, 316, 508, 541, 1082, 2164, 10033, 20066, 40132, 42739, 68707, 85478, 137414, 170956, 274828, 5427853, 10855706, 21711412]

約数ペア:

[(1, 21711412), (2, 10855706), (4, 5427853), (79, 274828), (127, 170956), (158, 137414), (254, 85478), (316, 68707), (508, 42739), (541, 40132), (1082, 20066), (2164, 10033)]