21188310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 60328800

約数和(自身を除く): 39140490

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 121, 130, 143, 165, 195, 242, 286, 330, 363, 390, 429, 449, 605, 715, 726, 858, 898, 1210, 1347, 1430, 1573, 1815, 2145, 2245, 2694, 3146, 3630, 4290, 4490, 4719, 4939, 5837, 6735, 7865, 9438, 9878, 11674, 13470, 14817, 15730, 17511, 23595, 24695, 29185, 29634, 35022, 47190, 49390, 54329, 58370, 64207, 74085, 87555, 108658, 128414, 148170, 162987, 175110, 192621, 271645, 321035, 325974, 385242, 543290, 642070, 706277, 814935, 963105, 1412554, 1629870, 1926210, 2118831, 3531385, 4237662, 7062770, 10594155, 21188310]

約数ペア:

[(1, 21188310), (2, 10594155), (3, 7062770), (5, 4237662), (6, 3531385), (10, 2118831), (11, 1926210), (13, 1629870), (15, 1412554), (22, 963105), (26, 814935), (30, 706277), (33, 642070), (39, 543290), (55, 385242), (65, 325974), (66, 321035), (78, 271645), (110, 192621), (121, 175110), (130, 162987), (143, 148170), (165, 128414), (195, 108658), (242, 87555), (286, 74085), (330, 64207), (363, 58370), (390, 54329), (429, 49390), (449, 47190), (605, 35022), (715, 29634), (726, 29185), (858, 24695), (898, 23595), (1210, 17511), (1347, 15730), (1430, 14817), (1573, 13470), (1815, 11674), (2145, 9878), (2245, 9438), (2694, 7865), (3146, 6735), (3630, 5837), (4290, 4939), (4490, 4719)]