21092919

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1447}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 29052672

約数和(自身を除く): 7959753

約数列:

[1, 3, 43, 113, 129, 339, 1447, 4341, 4859, 14577, 62221, 163511, 186663, 490533, 7030973, 21092919]

約数ペア:

[(1, 21092919), (3, 7030973), (43, 490533), (113, 186663), (129, 163511), (339, 62221), (1447, 14577), (4341, 4859)]