21244202

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28631}}^1$

素因数の和:28693

約数の個数: 16

約数和(自身を含む): 37107072

約数和(自身を除く): 15862870

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28631, 57262, 200417, 400834, 1517443, 3034886, 10622101, 21244202]

約数ペア:

[(1, 21244202), (2, 10622101), (7, 3034886), (14, 1517443), (53, 400834), (106, 200417), (371, 57262), (742, 28631)]