21066672

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2386

約数の個数: 80

約数和(自身を含む): 62888832

約数和(自身を除く): 41822160

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2347, 2992, 4488, 4694, 7041, 8976, 9388, 14082, 18776, 25817, 28164, 37552, 39899, 51634, 56328, 77451, 79798, 103268, 112656, 119697, 154902, 159596, 206536, 239394, 309804, 319192, 413072, 438889, 478788, 619608, 638384, 877778, 957576, 1239216, 1316667, 1755556, 1915152, 2633334, 3511112, 5266668, 7022224, 10533336, 21066672]

約数ペア:

[(1, 21066672), (2, 10533336), (3, 7022224), (4, 5266668), (6, 3511112), (8, 2633334), (11, 1915152), (12, 1755556), (16, 1316667), (17, 1239216), (22, 957576), (24, 877778), (33, 638384), (34, 619608), (44, 478788), (48, 438889), (51, 413072), (66, 319192), (68, 309804), (88, 239394), (102, 206536), (132, 159596), (136, 154902), (176, 119697), (187, 112656), (204, 103268), (264, 79798), (272, 77451), (374, 56328), (408, 51634), (528, 39899), (561, 37552), (748, 28164), (816, 25817), (1122, 18776), (1496, 14082), (2244, 9388), (2347, 8976), (2992, 7041), (4488, 4694)]