21837060

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 79833600

約数和(自身を除く): 57996540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 53, 54, 60, 63, 70, 84, 90, 105, 106, 108, 109, 126, 135, 140, 159, 180, 189, 210, 212, 218, 252, 265, 270, 315, 318, 327, 371, 378, 420, 436, 477, 530, 540, 545, 630, 636, 654, 742, 756, 763, 795, 945, 954, 981, 1060, 1090, 1113, 1260, 1308, 1431, 1484, 1526, 1590, 1635, 1855, 1890, 1908, 1962, 2180, 2226, 2289, 2385, 2862, 2943, 3052, 3180, 3270, 3339, 3710, 3780, 3815, 3924, 4452, 4578, 4770, 4905, 5565, 5724, 5777, 5886, 6540, 6678, 6867, 7155, 7420, 7630, 9156, 9540, 9810, 10017, 11130, 11445, 11554, 11772, 13356, 13734, 14310, 14715, 15260, 16695, 17331, 19620, 20034, 20601, 22260, 22890, 23108, 27468, 28620, 28885, 29430, 33390, 34335, 34662, 40068, 40439, 41202, 45780, 50085, 51993, 57770, 58860, 66780, 68670, 69324, 80878, 82404, 86655, 100170, 103005, 103986, 115540, 121317, 137340, 155979, 161756, 173310, 200340, 202195, 206010, 207972, 242634, 259965, 311958, 346620, 363951, 404390, 412020, 485268, 519930, 606585, 623916, 727902, 779895, 808780, 1039860, 1091853, 1213170, 1455804, 1559790, 1819755, 2183706, 2426340, 3119580, 3639510, 4367412, 5459265, 7279020, 10918530, 21837060]

約数ペア:

[(1, 21837060), (2, 10918530), (3, 7279020), (4, 5459265), (5, 4367412), (6, 3639510), (7, 3119580), (9, 2426340), (10, 2183706), (12, 1819755), (14, 1559790), (15, 1455804), (18, 1213170), (20, 1091853), (21, 1039860), (27, 808780), (28, 779895), (30, 727902), (35, 623916), (36, 606585), (42, 519930), (45, 485268), (53, 412020), (54, 404390), (60, 363951), (63, 346620), (70, 311958), (84, 259965), (90, 242634), (105, 207972), (106, 206010), (108, 202195), (109, 200340), (126, 173310), (135, 161756), (140, 155979), (159, 137340), (180, 121317), (189, 115540), (210, 103986), (212, 103005), (218, 100170), (252, 86655), (265, 82404), (270, 80878), (315, 69324), (318, 68670), (327, 66780), (371, 58860), (378, 57770), (420, 51993), (436, 50085), (477, 45780), (530, 41202), (540, 40439), (545, 40068), (630, 34662), (636, 34335), (654, 33390), (742, 29430), (756, 28885), (763, 28620), (795, 27468), (945, 23108), (954, 22890), (981, 22260), (1060, 20601), (1090, 20034), (1113, 19620), (1260, 17331), (1308, 16695), (1431, 15260), (1484, 14715), (1526, 14310), (1590, 13734), (1635, 13356), (1855, 11772), (1890, 11554), (1908, 11445), (1962, 11130), (2180, 10017), (2226, 9810), (2289, 9540), (2385, 9156), (2862, 7630), (2943, 7420), (3052, 7155), (3180, 6867), (3270, 6678), (3339, 6540), (3710, 5886), (3780, 5777), (3815, 5724), (3924, 5565), (4452, 4905), (4578, 4770)]