21191856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1069}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 63686400

約数和(自身を除く): 42494544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 59, 84, 112, 118, 168, 177, 236, 336, 354, 413, 472, 708, 826, 944, 1069, 1239, 1416, 1652, 2138, 2478, 2832, 3207, 3304, 4276, 4956, 6414, 6608, 7483, 8552, 9912, 12828, 14966, 17104, 19824, 22449, 25656, 29932, 44898, 51312, 59864, 63071, 89796, 119728, 126142, 179592, 189213, 252284, 359184, 378426, 441497, 504568, 756852, 882994, 1009136, 1324491, 1513704, 1765988, 2648982, 3027408, 3531976, 5297964, 7063952, 10595928, 21191856]

約数ペア:

[(1, 21191856), (2, 10595928), (3, 7063952), (4, 5297964), (6, 3531976), (7, 3027408), (8, 2648982), (12, 1765988), (14, 1513704), (16, 1324491), (21, 1009136), (24, 882994), (28, 756852), (42, 504568), (48, 441497), (56, 378426), (59, 359184), (84, 252284), (112, 189213), (118, 179592), (168, 126142), (177, 119728), (236, 89796), (336, 63071), (354, 59864), (413, 51312), (472, 44898), (708, 29932), (826, 25656), (944, 22449), (1069, 19824), (1239, 17104), (1416, 14966), (1652, 12828), (2138, 9912), (2478, 8552), (2832, 7483), (3207, 6608), (3304, 6414), (4276, 4956)]