21979202

素因数分解:

$2^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{2063}}^1$

素因数の和:2833

約数の個数: 16

約数和(自身を含む): 37746432

約数和(自身を除く): 15767230

約数列:

[1, 2, 7, 14, 761, 1522, 2063, 4126, 5327, 10654, 14441, 28882, 1569943, 3139886, 10989601, 21979202]

約数ペア:

[(1, 21979202), (2, 10989601), (7, 3139886), (14, 1569943), (761, 28882), (1522, 14441), (2063, 10654), (4126, 5327)]