21118144

素因数分解:

$2^6\times {\mathrm{311}}^1\times {\mathrm{1061}}^1$

素因数の和:1384

約数の個数: 28

約数和(自身を含む): 42080688

約数和(自身を除く): 20962544

約数列:

[1, 2, 4, 8, 16, 32, 64, 311, 622, 1061, 1244, 2122, 2488, 4244, 4976, 8488, 9952, 16976, 19904, 33952, 67904, 329971, 659942, 1319884, 2639768, 5279536, 10559072, 21118144]

約数ペア:

[(1, 21118144), (2, 10559072), (4, 5279536), (8, 2639768), (16, 1319884), (32, 659942), (64, 329971), (311, 67904), (622, 33952), (1061, 19904), (1244, 16976), (2122, 9952), (2488, 8488), (4244, 4976)]