21299658

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{39887}}^1$

素因数の和:39981

約数の個数: 16

約数和(自身を含む): 43079040

約数和(自身を除く): 21779382

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 39887, 79774, 119661, 239322, 3549943, 7099886, 10649829, 21299658]

約数ペア:

[(1, 21299658), (2, 10649829), (3, 7099886), (6, 3549943), (89, 239322), (178, 119661), (267, 79774), (534, 39887)]