21678774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16349}}^1$

素因数の和:16384

約数の個数: 32

約数和(自身を含む): 49442400

約数和(自身を除く): 27763626

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16349, 32698, 49047, 98094, 212537, 277933, 425074, 555866, 637611, 833799, 1275222, 1667598, 3613129, 7226258, 10839387, 21678774]

約数ペア:

[(1, 21678774), (2, 10839387), (3, 7226258), (6, 3613129), (13, 1667598), (17, 1275222), (26, 833799), (34, 637611), (39, 555866), (51, 425074), (78, 277933), (102, 212537), (221, 98094), (442, 49047), (663, 32698), (1326, 16349)]