21365178

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{50153}}^1$

素因数の和:50229

約数の個数: 16

約数和(自身を含む): 43333056

約数和(自身を除く): 21967878

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 50153, 100306, 150459, 300918, 3560863, 7121726, 10682589, 21365178]

約数ペア:

[(1, 21365178), (2, 10682589), (3, 7121726), (6, 3560863), (71, 300918), (142, 150459), (213, 100306), (426, 50153)]