21011298

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 54665280

約数和(自身を除く): 33653982

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 73, 77, 89, 98, 146, 147, 154, 178, 219, 231, 267, 294, 438, 462, 511, 534, 539, 623, 803, 979, 1022, 1078, 1246, 1533, 1606, 1617, 1869, 1958, 2409, 2937, 3066, 3234, 3577, 3738, 4361, 4818, 5621, 5874, 6497, 6853, 7154, 8722, 10731, 11242, 12994, 13083, 13706, 16863, 19491, 20559, 21462, 26166, 33726, 38982, 39347, 41118, 45479, 47971, 71467, 78694, 90958, 95942, 118041, 136437, 142934, 143913, 214401, 236082, 272874, 287826, 318353, 428802, 500269, 636706, 955059, 1000538, 1500807, 1910118, 3001614, 3501883, 7003766, 10505649, 21011298]

約数ペア:

[(1, 21011298), (2, 10505649), (3, 7003766), (6, 3501883), (7, 3001614), (11, 1910118), (14, 1500807), (21, 1000538), (22, 955059), (33, 636706), (42, 500269), (49, 428802), (66, 318353), (73, 287826), (77, 272874), (89, 236082), (98, 214401), (146, 143913), (147, 142934), (154, 136437), (178, 118041), (219, 95942), (231, 90958), (267, 78694), (294, 71467), (438, 47971), (462, 45479), (511, 41118), (534, 39347), (539, 38982), (623, 33726), (803, 26166), (979, 21462), (1022, 20559), (1078, 19491), (1246, 16863), (1533, 13706), (1606, 13083), (1617, 12994), (1869, 11242), (1958, 10731), (2409, 8722), (2937, 7154), (3066, 6853), (3234, 6497), (3577, 5874), (3738, 5621), (4361, 4818)]