21871938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1171}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 47930112

約数和(自身を除く): 26058174

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 283, 566, 849, 1171, 1698, 2342, 3113, 3513, 6226, 7026, 9339, 12881, 18678, 25762, 38643, 77286, 331393, 662786, 994179, 1988358, 3645323, 7290646, 10935969, 21871938]

約数ペア:

[(1, 21871938), (2, 10935969), (3, 7290646), (6, 3645323), (11, 1988358), (22, 994179), (33, 662786), (66, 331393), (283, 77286), (566, 38643), (849, 25762), (1171, 18678), (1698, 12881), (2342, 9339), (3113, 7026), (3513, 6226)]