21675744

素因数分解:

$2^5\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1120

約数の個数: 72

約数和(自身を含む): 62545392

約数和(自身を除く): 40869648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 73, 96, 144, 146, 219, 288, 292, 438, 584, 657, 876, 1031, 1168, 1314, 1752, 2062, 2336, 2628, 3093, 3504, 4124, 5256, 6186, 7008, 8248, 9279, 10512, 12372, 16496, 18558, 21024, 24744, 32992, 37116, 49488, 74232, 75263, 98976, 148464, 150526, 225789, 296928, 301052, 451578, 602104, 677367, 903156, 1204208, 1354734, 1806312, 2408416, 2709468, 3612624, 5418936, 7225248, 10837872, 21675744]

約数ペア:

[(1, 21675744), (2, 10837872), (3, 7225248), (4, 5418936), (6, 3612624), (8, 2709468), (9, 2408416), (12, 1806312), (16, 1354734), (18, 1204208), (24, 903156), (32, 677367), (36, 602104), (48, 451578), (72, 301052), (73, 296928), (96, 225789), (144, 150526), (146, 148464), (219, 98976), (288, 75263), (292, 74232), (438, 49488), (584, 37116), (657, 32992), (876, 24744), (1031, 21024), (1168, 18558), (1314, 16496), (1752, 12372), (2062, 10512), (2336, 9279), (2628, 8248), (3093, 7008), (3504, 6186), (4124, 5256)]