21084619

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22788864

約数和(自身を除く): 1704245

約数列:

[1, 31, 41, 53, 313, 1271, 1643, 2173, 9703, 12833, 16589, 67363, 397823, 514259, 680149, 21084619]

約数ペア:

[(1, 21084619), (31, 680149), (41, 514259), (53, 397823), (313, 67363), (1271, 16589), (1643, 12833), (2173, 9703)]