21115914

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{19661}}^1$

素因数の和:19845

約数の個数: 16

約数和(自身を含む): 42469920

約数和(自身を除く): 21354006

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 19661, 39322, 58983, 117966, 3519319, 7038638, 10557957, 21115914]

約数ペア:

[(1, 21115914), (2, 10557957), (3, 7038638), (6, 3519319), (179, 117966), (358, 58983), (537, 39322), (1074, 19661)]