21164472

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{857}}^1$

素因数の和:890

約数の個数: 96

約数和(自身を含む): 66924000

約数和(自身を除く): 45759528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 857, 882, 1029, 1176, 1372, 1714, 1764, 2058, 2571, 2744, 3087, 3428, 3528, 4116, 5142, 5999, 6174, 6856, 7713, 8232, 10284, 11998, 12348, 15426, 17997, 20568, 23996, 24696, 30852, 35994, 41993, 47992, 53991, 61704, 71988, 83986, 107982, 125979, 143976, 167972, 215964, 251958, 293951, 335944, 377937, 431928, 503916, 587902, 755874, 881853, 1007832, 1175804, 1511748, 1763706, 2351608, 2645559, 3023496, 3527412, 5291118, 7054824, 10582236, 21164472]

約数ペア:

[(1, 21164472), (2, 10582236), (3, 7054824), (4, 5291118), (6, 3527412), (7, 3023496), (8, 2645559), (9, 2351608), (12, 1763706), (14, 1511748), (18, 1175804), (21, 1007832), (24, 881853), (28, 755874), (36, 587902), (42, 503916), (49, 431928), (56, 377937), (63, 335944), (72, 293951), (84, 251958), (98, 215964), (126, 167972), (147, 143976), (168, 125979), (196, 107982), (252, 83986), (294, 71988), (343, 61704), (392, 53991), (441, 47992), (504, 41993), (588, 35994), (686, 30852), (857, 24696), (882, 23996), (1029, 20568), (1176, 17997), (1372, 15426), (1714, 12348), (1764, 11998), (2058, 10284), (2571, 8232), (2744, 7713), (3087, 6856), (3428, 6174), (3528, 5999), (4116, 5142)]