21493872

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{5147}}^1$

素因数の和:5190

約数の個数: 60

約数和(自身を含む): 62239320

約数和(自身を除く): 40745448

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, 5147, 10294, 15441, 20588, 30882, 41176, 46323, 61764, 82352, 92646, 123528, 149263, 185292, 247056, 298526, 370584, 447789, 597052, 741168, 895578, 1194104, 1343367, 1791156, 2388208, 2686734, 3582312, 5373468, 7164624, 10746936, 21493872]

約数ペア:

[(1, 21493872), (2, 10746936), (3, 7164624), (4, 5373468), (6, 3582312), (8, 2686734), (9, 2388208), (12, 1791156), (16, 1343367), (18, 1194104), (24, 895578), (29, 741168), (36, 597052), (48, 447789), (58, 370584), (72, 298526), (87, 247056), (116, 185292), (144, 149263), (174, 123528), (232, 92646), (261, 82352), (348, 61764), (464, 46323), (522, 41176), (696, 30882), (1044, 20588), (1392, 15441), (2088, 10294), (4176, 5147)]