21963984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 65472000

約数和(自身を除く): 43508016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 131, 168, 262, 336, 393, 499, 524, 786, 917, 998, 1048, 1497, 1572, 1834, 1996, 2096, 2751, 2994, 3144, 3493, 3668, 3992, 5502, 5988, 6288, 6986, 7336, 7984, 10479, 11004, 11976, 13972, 14672, 20958, 22008, 23952, 27944, 41916, 44016, 55888, 65369, 83832, 130738, 167664, 196107, 261476, 392214, 457583, 522952, 784428, 915166, 1045904, 1372749, 1568856, 1830332, 2745498, 3137712, 3660664, 5490996, 7321328, 10981992, 21963984]

約数ペア:

[(1, 21963984), (2, 10981992), (3, 7321328), (4, 5490996), (6, 3660664), (7, 3137712), (8, 2745498), (12, 1830332), (14, 1568856), (16, 1372749), (21, 1045904), (24, 915166), (28, 784428), (42, 522952), (48, 457583), (56, 392214), (84, 261476), (112, 196107), (131, 167664), (168, 130738), (262, 83832), (336, 65369), (393, 55888), (499, 44016), (524, 41916), (786, 27944), (917, 23952), (998, 22008), (1048, 20958), (1497, 14672), (1572, 13972), (1834, 11976), (1996, 11004), (2096, 10479), (2751, 7984), (2994, 7336), (3144, 6986), (3493, 6288), (3668, 5988), (3992, 5502)]