21277008

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1216

約数の個数: 60

約数和(自身を含む): 60030880

約数和(自身を除く): 38753872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1063, 1112, 1251, 1668, 2126, 2224, 2502, 3189, 3336, 4252, 5004, 6378, 6672, 8504, 9567, 10008, 12756, 17008, 19134, 20016, 25512, 38268, 51024, 76536, 147757, 153072, 295514, 443271, 591028, 886542, 1182056, 1329813, 1773084, 2364112, 2659626, 3546168, 5319252, 7092336, 10638504, 21277008]

約数ペア:

[(1, 21277008), (2, 10638504), (3, 7092336), (4, 5319252), (6, 3546168), (8, 2659626), (9, 2364112), (12, 1773084), (16, 1329813), (18, 1182056), (24, 886542), (36, 591028), (48, 443271), (72, 295514), (139, 153072), (144, 147757), (278, 76536), (417, 51024), (556, 38268), (834, 25512), (1063, 20016), (1112, 19134), (1251, 17008), (1668, 12756), (2126, 10008), (2224, 9567), (2502, 8504), (3189, 6672), (3336, 6378), (4252, 5004)]