21236004

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20341}}^1$

素因数の和:20380

約数の個数: 36

約数和(自身を含む): 55533660

約数和(自身を除く): 34297656

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20341, 40682, 61023, 81364, 122046, 183069, 244092, 366138, 589889, 732276, 1179778, 1769667, 2359556, 3539334, 5309001, 7078668, 10618002, 21236004]

約数ペア:

[(1, 21236004), (2, 10618002), (3, 7078668), (4, 5309001), (6, 3539334), (9, 2359556), (12, 1769667), (18, 1179778), (29, 732276), (36, 589889), (58, 366138), (87, 244092), (116, 183069), (174, 122046), (261, 81364), (348, 61023), (522, 40682), (1044, 20341)]