21291984

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{2347}}^1$

素因数の和:2374

約数の個数: 100

約数和(自身を含む): 70458784

約数和(自身を除く): 49166800

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 252, 324, 336, 378, 432, 504, 567, 648, 756, 1008, 1134, 1296, 1512, 2268, 2347, 3024, 4536, 4694, 7041, 9072, 9388, 14082, 16429, 18776, 21123, 28164, 32858, 37552, 42246, 49287, 56328, 63369, 65716, 84492, 98574, 112656, 126738, 131432, 147861, 168984, 190107, 197148, 253476, 262864, 295722, 337968, 380214, 394296, 443583, 506952, 591444, 760428, 788592, 887166, 1013904, 1182888, 1330749, 1520856, 1774332, 2365776, 2661498, 3041712, 3548664, 5322996, 7097328, 10645992, 21291984]

約数ペア:

[(1, 21291984), (2, 10645992), (3, 7097328), (4, 5322996), (6, 3548664), (7, 3041712), (8, 2661498), (9, 2365776), (12, 1774332), (14, 1520856), (16, 1330749), (18, 1182888), (21, 1013904), (24, 887166), (27, 788592), (28, 760428), (36, 591444), (42, 506952), (48, 443583), (54, 394296), (56, 380214), (63, 337968), (72, 295722), (81, 262864), (84, 253476), (108, 197148), (112, 190107), (126, 168984), (144, 147861), (162, 131432), (168, 126738), (189, 112656), (216, 98574), (252, 84492), (324, 65716), (336, 63369), (378, 56328), (432, 49287), (504, 42246), (567, 37552), (648, 32858), (756, 28164), (1008, 21123), (1134, 18776), (1296, 16429), (1512, 14082), (2268, 9388), (2347, 9072), (3024, 7041), (4536, 4694)]