21489919386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{19031}}^1$

素因数の和:19547

約数の個数: 64

約数和(自身を含む): 47883902976

約数和(自身を除く): 26393983590

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 467, 806, 934, 1209, 1401, 2418, 2802, 6071, 12142, 14477, 18213, 19031, 28954, 36426, 38062, 43431, 57093, 86862, 114186, 188201, 247403, 376402, 494806, 564603, 589961, 742209, 1129206, 1179922, 1484418, 1769883, 3539766, 7669493, 8887477, 15338986, 17774954, 23008479, 26662431, 46016958, 53324862, 115537201, 231074402, 275511787, 346611603, 551023574, 693223206, 826535361, 1653070722, 3581653231, 7163306462, 10744959693, 21489919386]

約数ペア:

[(1, 21489919386), (2, 10744959693), (3, 7163306462), (6, 3581653231), (13, 1653070722), (26, 826535361), (31, 693223206), (39, 551023574), (62, 346611603), (78, 275511787), (93, 231074402), (186, 115537201), (403, 53324862), (467, 46016958), (806, 26662431), (934, 23008479), (1209, 17774954), (1401, 15338986), (2418, 8887477), (2802, 7669493), (6071, 3539766), (12142, 1769883), (14477, 1484418), (18213, 1179922), (19031, 1129206), (28954, 742209), (36426, 589961), (38062, 564603), (43431, 494806), (57093, 376402), (86862, 247403), (114186, 188201)]