21137520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3037}}^1$

素因数の和:3082

約数の個数: 80

約数和(自身を含む): 67808160

約数和(自身を除く): 46670640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3037, 3480, 6074, 6960, 9111, 12148, 15185, 18222, 24296, 30370, 36444, 45555, 48592, 60740, 72888, 88073, 91110, 121480, 145776, 176146, 182220, 242960, 264219, 352292, 364440, 440365, 528438, 704584, 728880, 880730, 1056876, 1321095, 1409168, 1761460, 2113752, 2642190, 3522920, 4227504, 5284380, 7045840, 10568760, 21137520]

約数ペア:

[(1, 21137520), (2, 10568760), (3, 7045840), (4, 5284380), (5, 4227504), (6, 3522920), (8, 2642190), (10, 2113752), (12, 1761460), (15, 1409168), (16, 1321095), (20, 1056876), (24, 880730), (29, 728880), (30, 704584), (40, 528438), (48, 440365), (58, 364440), (60, 352292), (80, 264219), (87, 242960), (116, 182220), (120, 176146), (145, 145776), (174, 121480), (232, 91110), (240, 88073), (290, 72888), (348, 60740), (435, 48592), (464, 45555), (580, 36444), (696, 30370), (870, 24296), (1160, 18222), (1392, 15185), (1740, 12148), (2320, 9111), (3037, 6960), (3480, 6074)]