21659008

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1051}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 51505920

約数和(自身を除く): 29846912

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1051, 1288, 1472, 2102, 2576, 2944, 4204, 5152, 7357, 8408, 10304, 14714, 16816, 20608, 24173, 29428, 33632, 48346, 58856, 67264, 96692, 117712, 134528, 169211, 193384, 235424, 338422, 386768, 470848, 676844, 773536, 941696, 1353688, 1547072, 2707376, 3094144, 5414752, 10829504, 21659008]

約数ペア:

[(1, 21659008), (2, 10829504), (4, 5414752), (7, 3094144), (8, 2707376), (14, 1547072), (16, 1353688), (23, 941696), (28, 773536), (32, 676844), (46, 470848), (56, 386768), (64, 338422), (92, 235424), (112, 193384), (128, 169211), (161, 134528), (184, 117712), (224, 96692), (322, 67264), (368, 58856), (448, 48346), (644, 33632), (736, 29428), (896, 24173), (1051, 20608), (1288, 16816), (1472, 14714), (2102, 10304), (2576, 8408), (2944, 7357), (4204, 5152)]