21198800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 59597376

約数和(自身を除く): 38398576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 67, 70, 80, 100, 112, 113, 134, 140, 175, 200, 226, 268, 280, 335, 350, 400, 452, 469, 536, 560, 565, 670, 700, 791, 904, 938, 1072, 1130, 1340, 1400, 1582, 1675, 1808, 1876, 2260, 2345, 2680, 2800, 2825, 3164, 3350, 3752, 3955, 4520, 4690, 5360, 5650, 6328, 6700, 7504, 7571, 7910, 9040, 9380, 11300, 11725, 12656, 13400, 15142, 15820, 18760, 19775, 22600, 23450, 26800, 30284, 31640, 37520, 37855, 39550, 45200, 46900, 52997, 60568, 63280, 75710, 79100, 93800, 105994, 121136, 151420, 158200, 187600, 189275, 211988, 264985, 302840, 316400, 378550, 423976, 529970, 605680, 757100, 847952, 1059940, 1324925, 1514200, 2119880, 2649850, 3028400, 4239760, 5299700, 10599400, 21198800]

約数ペア:

[(1, 21198800), (2, 10599400), (4, 5299700), (5, 4239760), (7, 3028400), (8, 2649850), (10, 2119880), (14, 1514200), (16, 1324925), (20, 1059940), (25, 847952), (28, 757100), (35, 605680), (40, 529970), (50, 423976), (56, 378550), (67, 316400), (70, 302840), (80, 264985), (100, 211988), (112, 189275), (113, 187600), (134, 158200), (140, 151420), (175, 121136), (200, 105994), (226, 93800), (268, 79100), (280, 75710), (335, 63280), (350, 60568), (400, 52997), (452, 46900), (469, 45200), (536, 39550), (560, 37855), (565, 37520), (670, 31640), (700, 30284), (791, 26800), (904, 23450), (938, 22600), (1072, 19775), (1130, 18760), (1340, 15820), (1400, 15142), (1582, 13400), (1675, 12656), (1808, 11725), (1876, 11300), (2260, 9380), (2345, 9040), (2680, 7910), (2800, 7571), (2825, 7504), (3164, 6700), (3350, 6328), (3752, 5650), (3955, 5360), (4520, 4690)]