21071369

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2878711

約数列:

[1, 11, 47, 53, 517, 583, 769, 2491, 8459, 27401, 36143, 40757, 397573, 448327, 1915579, 21071369]

約数ペア:

[(1, 21071369), (11, 1915579), (47, 448327), (53, 397573), (517, 40757), (583, 36143), (769, 27401), (2491, 8459)]