21840794

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:877

約数の個数: 16

約数和(自身を含む): 33415200

約数和(自身を除く): 11574406

約数列:

[1, 2, 67, 134, 389, 419, 778, 838, 26063, 28073, 52126, 56146, 162991, 325982, 10920397, 21840794]

約数ペア:

[(1, 21840794), (2, 10920397), (67, 325982), (134, 162991), (389, 56146), (419, 52126), (778, 28073), (838, 26063)]