21058500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 62375040

約数和(自身を除く): 41316540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 125, 139, 150, 202, 250, 278, 300, 303, 375, 404, 417, 500, 505, 556, 606, 695, 750, 834, 1010, 1212, 1390, 1500, 1515, 1668, 2020, 2085, 2525, 2780, 3030, 3475, 4170, 5050, 6060, 6950, 7575, 8340, 10100, 10425, 12625, 13900, 14039, 15150, 17375, 20850, 25250, 28078, 30300, 34750, 37875, 41700, 42117, 50500, 52125, 56156, 69500, 70195, 75750, 84234, 104250, 140390, 151500, 168468, 208500, 210585, 280780, 350975, 421170, 701950, 842340, 1052925, 1403900, 1754875, 2105850, 3509750, 4211700, 5264625, 7019500, 10529250, 21058500]

約数ペア:

[(1, 21058500), (2, 10529250), (3, 7019500), (4, 5264625), (5, 4211700), (6, 3509750), (10, 2105850), (12, 1754875), (15, 1403900), (20, 1052925), (25, 842340), (30, 701950), (50, 421170), (60, 350975), (75, 280780), (100, 210585), (101, 208500), (125, 168468), (139, 151500), (150, 140390), (202, 104250), (250, 84234), (278, 75750), (300, 70195), (303, 69500), (375, 56156), (404, 52125), (417, 50500), (500, 42117), (505, 41700), (556, 37875), (606, 34750), (695, 30300), (750, 28078), (834, 25250), (1010, 20850), (1212, 17375), (1390, 15150), (1500, 14039), (1515, 13900), (1668, 12625), (2020, 10425), (2085, 10100), (2525, 8340), (2780, 7575), (3030, 6950), (3475, 6060), (4170, 5050)]