21183680

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{193}}^1$

素因数の和:231

約数の個数: 112

約数和(自身を含む): 59131200

約数和(自身を除く): 37947520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 193, 196, 224, 245, 280, 320, 343, 386, 392, 448, 490, 560, 686, 772, 784, 965, 980, 1120, 1351, 1372, 1544, 1568, 1715, 1930, 1960, 2240, 2702, 2744, 3088, 3136, 3430, 3860, 3920, 5404, 5488, 6176, 6755, 6860, 7720, 7840, 9457, 10808, 10976, 12352, 13510, 13720, 15440, 15680, 18914, 21616, 21952, 27020, 27440, 30880, 37828, 43232, 47285, 54040, 54880, 61760, 66199, 75656, 86464, 94570, 108080, 109760, 132398, 151312, 189140, 216160, 264796, 302624, 330995, 378280, 432320, 529592, 605248, 661990, 756560, 1059184, 1323980, 1513120, 2118368, 2647960, 3026240, 4236736, 5295920, 10591840, 21183680]

約数ペア:

[(1, 21183680), (2, 10591840), (4, 5295920), (5, 4236736), (7, 3026240), (8, 2647960), (10, 2118368), (14, 1513120), (16, 1323980), (20, 1059184), (28, 756560), (32, 661990), (35, 605248), (40, 529592), (49, 432320), (56, 378280), (64, 330995), (70, 302624), (80, 264796), (98, 216160), (112, 189140), (140, 151312), (160, 132398), (193, 109760), (196, 108080), (224, 94570), (245, 86464), (280, 75656), (320, 66199), (343, 61760), (386, 54880), (392, 54040), (448, 47285), (490, 43232), (560, 37828), (686, 30880), (772, 27440), (784, 27020), (965, 21952), (980, 21616), (1120, 18914), (1351, 15680), (1372, 15440), (1544, 13720), (1568, 13510), (1715, 12352), (1930, 10976), (1960, 10808), (2240, 9457), (2702, 7840), (2744, 7720), (3088, 6860), (3136, 6755), (3430, 6176), (3860, 5488), (3920, 5404)]