21180198

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15973}}^1$

素因数の和:16008

約数の個数: 32

約数和(自身を含む): 48305376

約数和(自身を除く): 27125178

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15973, 31946, 47919, 95838, 207649, 271541, 415298, 543082, 622947, 814623, 1245894, 1629246, 3530033, 7060066, 10590099, 21180198]

約数ペア:

[(1, 21180198), (2, 10590099), (3, 7060066), (6, 3530033), (13, 1629246), (17, 1245894), (26, 814623), (34, 622947), (39, 543082), (51, 415298), (78, 271541), (102, 207649), (221, 95838), (442, 47919), (663, 31946), (1326, 15973)]