21342884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 38158848

約数和(自身を除く): 16815964

約数列:

[1, 2, 4, 71, 142, 223, 284, 337, 446, 674, 892, 1348, 15833, 23927, 31666, 47854, 63332, 75151, 95708, 150302, 300604, 5335721, 10671442, 21342884]

約数ペア:

[(1, 21342884), (2, 10671442), (4, 5335721), (71, 300604), (142, 150302), (223, 95708), (284, 75151), (337, 63332), (446, 47854), (674, 31666), (892, 23927), (1348, 15833)]