21020198

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:799

約数の個数: 16

約数和(自身を含む): 32076000

約数和(自身を除く): 11055802

約数列:

[1, 2, 89, 178, 269, 439, 538, 878, 23941, 39071, 47882, 78142, 118091, 236182, 10510099, 21020198]

約数ペア:

[(1, 21020198), (2, 10510099), (89, 236182), (178, 118091), (269, 78142), (439, 47882), (538, 39071), (878, 23941)]