21038866

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{709}}^1$

素因数の和:1149

約数の個数: 16

約数和(自身を含む): 32537880

約数和(自身を除く): 11499014

約数列:

[1, 2, 37, 74, 401, 709, 802, 1418, 14837, 26233, 29674, 52466, 284309, 568618, 10519433, 21038866]

約数ペア:

[(1, 21038866), (2, 10519433), (37, 568618), (74, 284309), (401, 52466), (709, 29674), (802, 26233), (1418, 14837)]