21518928

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{5153}}^1$

素因数の和:5196

約数の個数: 60

約数和(自身を含む): 62311860

約数和(自身を除く): 40792932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 5153, 10306, 15459, 20612, 30918, 41224, 46377, 61836, 82448, 92754, 123672, 149437, 185508, 247344, 298874, 371016, 448311, 597748, 742032, 896622, 1195496, 1344933, 1793244, 2390992, 2689866, 3586488, 5379732, 7172976, 10759464, 21518928]

約数ペア:

[(1, 21518928), (2, 10759464), (3, 7172976), (4, 5379732), (6, 3586488), (8, 2689866), (9, 2390992), (12, 1793244), (16, 1344933), (18, 1195496), (24, 896622), (29, 742032), (36, 597748), (48, 448311), (58, 371016), (72, 298874), (87, 247344), (116, 185508), (144, 149437), (174, 123672), (232, 92754), (261, 82448), (348, 61836), (464, 46377), (522, 41224), (696, 30918), (1044, 20612), (1392, 15459), (2088, 10306), (4176, 5153)]