21000620181

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1928963}}^1$

素因数の和:1929176

約数の個数: 16

約数和(自身を含む): 29628887040

約数和(自身を除く): 8628266859

約数列:

[1, 3, 19, 57, 191, 573, 3629, 10887, 1928963, 5786889, 36650297, 109950891, 368431933, 1105295799, 7000206727, 21000620181]

約数ペア:

[(1, 21000620181), (3, 7000206727), (19, 1105295799), (57, 368431933), (191, 109950891), (573, 36650297), (3629, 5786889), (10887, 1928963)]