21303168

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1959

約数の個数: 64

約数和(自身を含む): 58568400

約数和(自身を除く): 37265232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 348, 384, 464, 696, 928, 1392, 1856, 1913, 2784, 3712, 3826, 5568, 5739, 7652, 11136, 11478, 15304, 22956, 30608, 45912, 55477, 61216, 91824, 110954, 122432, 166431, 183648, 221908, 244864, 332862, 367296, 443816, 665724, 734592, 887632, 1331448, 1775264, 2662896, 3550528, 5325792, 7101056, 10651584, 21303168]

約数ペア:

[(1, 21303168), (2, 10651584), (3, 7101056), (4, 5325792), (6, 3550528), (8, 2662896), (12, 1775264), (16, 1331448), (24, 887632), (29, 734592), (32, 665724), (48, 443816), (58, 367296), (64, 332862), (87, 244864), (96, 221908), (116, 183648), (128, 166431), (174, 122432), (192, 110954), (232, 91824), (348, 61216), (384, 55477), (464, 45912), (696, 30608), (928, 22956), (1392, 15304), (1856, 11478), (1913, 11136), (2784, 7652), (3712, 5739), (3826, 5568)]