21168136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5867}}^1$

素因数の和:5925

約数の個数: 32

約数和(自身を含む): 44362080

約数和(自身を除く): 23193944

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5867, 11734, 23468, 46936, 64537, 129074, 240547, 258148, 481094, 516296, 962188, 1924376, 2646017, 5292034, 10584068, 21168136]

約数ペア:

[(1, 21168136), (2, 10584068), (4, 5292034), (8, 2646017), (11, 1924376), (22, 962188), (41, 516296), (44, 481094), (82, 258148), (88, 240547), (164, 129074), (328, 64537), (451, 46936), (902, 23468), (1804, 11734), (3608, 5867)]