21255024

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{1291}}^1$

素因数の和:1323

約数の個数: 80

約数和(自身を含む): 64083200

約数和(自身を除く): 42828176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1291, 1372, 2058, 2352, 2582, 2744, 3873, 4116, 5164, 5488, 7746, 8232, 9037, 10328, 15492, 16464, 18074, 20656, 27111, 30984, 36148, 54222, 61968, 63259, 72296, 108444, 126518, 144592, 189777, 216888, 253036, 379554, 433776, 442813, 506072, 759108, 885626, 1012144, 1328439, 1518216, 1771252, 2656878, 3036432, 3542504, 5313756, 7085008, 10627512, 21255024]

約数ペア:

[(1, 21255024), (2, 10627512), (3, 7085008), (4, 5313756), (6, 3542504), (7, 3036432), (8, 2656878), (12, 1771252), (14, 1518216), (16, 1328439), (21, 1012144), (24, 885626), (28, 759108), (42, 506072), (48, 442813), (49, 433776), (56, 379554), (84, 253036), (98, 216888), (112, 189777), (147, 144592), (168, 126518), (196, 108444), (294, 72296), (336, 63259), (343, 61968), (392, 54222), (588, 36148), (686, 30984), (784, 27111), (1029, 20656), (1176, 18074), (1291, 16464), (1372, 15492), (2058, 10328), (2352, 9037), (2582, 8232), (2744, 7746), (3873, 5488), (4116, 5164)]