21541638

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67741}}^1$

素因数の和:67799

約数の個数: 16

約数和(自身を含む): 43896816

約数和(自身を除く): 22355178

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 67741, 135482, 203223, 406446, 3590273, 7180546, 10770819, 21541638]

約数ペア:

[(1, 21541638), (2, 10770819), (3, 7180546), (6, 3590273), (53, 406446), (106, 203223), (159, 135482), (318, 67741)]