21499056

素因数分解:

$2^4\times 3^2\times {\mathrm{173}}^1\times {\mathrm{863}}^1$

素因数の和:1050

約数の個数: 60

約数和(自身を含む): 60585408

約数和(自身を除く): 39086352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 173, 346, 519, 692, 863, 1038, 1384, 1557, 1726, 2076, 2589, 2768, 3114, 3452, 4152, 5178, 6228, 6904, 7767, 8304, 10356, 12456, 13808, 15534, 20712, 24912, 31068, 41424, 62136, 124272, 149299, 298598, 447897, 597196, 895794, 1194392, 1343691, 1791588, 2388784, 2687382, 3583176, 5374764, 7166352, 10749528, 21499056]

約数ペア:

[(1, 21499056), (2, 10749528), (3, 7166352), (4, 5374764), (6, 3583176), (8, 2687382), (9, 2388784), (12, 1791588), (16, 1343691), (18, 1194392), (24, 895794), (36, 597196), (48, 447897), (72, 298598), (144, 149299), (173, 124272), (346, 62136), (519, 41424), (692, 31068), (863, 24912), (1038, 20712), (1384, 15534), (1557, 13808), (1726, 12456), (2076, 10356), (2589, 8304), (2768, 7767), (3114, 6904), (3452, 6228), (4152, 5178)]