21026016

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6637}}^1$

素因数の和:6664

約数の個数: 72

約数和(自身を含む): 65238264

約数和(自身を除く): 44212248

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6637, 13274, 19911, 26548, 39822, 53096, 59733, 73007, 79644, 106192, 119466, 146014, 159288, 212384, 219021, 238932, 292028, 318576, 438042, 477864, 584056, 637152, 657063, 876084, 955728, 1168112, 1314126, 1752168, 1911456, 2336224, 2628252, 3504336, 5256504, 7008672, 10513008, 21026016]

約数ペア:

[(1, 21026016), (2, 10513008), (3, 7008672), (4, 5256504), (6, 3504336), (8, 2628252), (9, 2336224), (11, 1911456), (12, 1752168), (16, 1314126), (18, 1168112), (22, 955728), (24, 876084), (32, 657063), (33, 637152), (36, 584056), (44, 477864), (48, 438042), (66, 318576), (72, 292028), (88, 238932), (96, 219021), (99, 212384), (132, 159288), (144, 146014), (176, 119466), (198, 106192), (264, 79644), (288, 73007), (352, 59733), (396, 53096), (528, 39822), (792, 26548), (1056, 19911), (1584, 13274), (3168, 6637)]