21766140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10993}}^1$

素因数の和:11019

約数の個数: 72

約数和(自身を含む): 72032688

約数和(自身を除く): 50266548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10993, 21986, 32979, 43972, 54965, 65958, 98937, 109930, 120923, 131916, 164895, 197874, 219860, 241846, 329790, 362769, 395748, 483692, 494685, 604615, 659580, 725538, 989370, 1088307, 1209230, 1451076, 1813845, 1978740, 2176614, 2418460, 3627690, 4353228, 5441535, 7255380, 10883070, 21766140]

約数ペア:

[(1, 21766140), (2, 10883070), (3, 7255380), (4, 5441535), (5, 4353228), (6, 3627690), (9, 2418460), (10, 2176614), (11, 1978740), (12, 1813845), (15, 1451076), (18, 1209230), (20, 1088307), (22, 989370), (30, 725538), (33, 659580), (36, 604615), (44, 494685), (45, 483692), (55, 395748), (60, 362769), (66, 329790), (90, 241846), (99, 219860), (110, 197874), (132, 164895), (165, 131916), (180, 120923), (198, 109930), (220, 98937), (330, 65958), (396, 54965), (495, 43972), (660, 32979), (990, 21986), (1980, 10993)]