21547912

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72797}}^1$

素因数の和:72840

約数の個数: 16

約数和(自身を含む): 41494860

約数和(自身を除く): 19946948

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72797, 145594, 291188, 582376, 2693489, 5386978, 10773956, 21547912]

約数ペア:

[(1, 21547912), (2, 10773956), (4, 5386978), (8, 2693489), (37, 582376), (74, 291188), (148, 145594), (296, 72797)]