21304803

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1621}}^1$

素因数の和:1974

約数の個数: 16

約数和(自身を含む): 30701216

約数和(自身を除く): 9396413

約数列:

[1, 3, 13, 39, 337, 1011, 1621, 4381, 4863, 13143, 21073, 63219, 546277, 1638831, 7101601, 21304803]

約数ペア:

[(1, 21304803), (3, 7101601), (13, 1638831), (39, 546277), (337, 63219), (1011, 21073), (1621, 13143), (4381, 4863)]