21299340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12241}}^1$

素因数の和:12282

約数の個数: 48

約数和(自身を含む): 61699680

約数和(自身を除く): 40400340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12241, 24482, 36723, 48964, 61205, 73446, 122410, 146892, 183615, 244820, 354989, 367230, 709978, 734460, 1064967, 1419956, 1774945, 2129934, 3549890, 4259868, 5324835, 7099780, 10649670, 21299340]

約数ペア:

[(1, 21299340), (2, 10649670), (3, 7099780), (4, 5324835), (5, 4259868), (6, 3549890), (10, 2129934), (12, 1774945), (15, 1419956), (20, 1064967), (29, 734460), (30, 709978), (58, 367230), (60, 354989), (87, 244820), (116, 183615), (145, 146892), (174, 122410), (290, 73446), (348, 61205), (435, 48964), (580, 36723), (870, 24482), (1740, 12241)]