21439431

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3593}}^1$

素因数の和:3632

約数の個数: 32

約数和(自身を含む): 36227520

約数和(自身を除く): 14788089

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 3593, 5967, 10779, 32337, 46709, 61081, 97011, 140127, 183243, 420381, 549729, 794053, 1261143, 1649187, 2382159, 7146477, 21439431]

約数ペア:

[(1, 21439431), (3, 7146477), (9, 2382159), (13, 1649187), (17, 1261143), (27, 794053), (39, 549729), (51, 420381), (117, 183243), (153, 140127), (221, 97011), (351, 61081), (459, 46709), (663, 32337), (1989, 10779), (3593, 5967)]