21118802

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1153

約数の個数: 16

約数和(自身を含む): 32372352

約数和(自身を除く): 11253550

約数列:

[1, 2, 67, 134, 173, 346, 911, 1822, 11591, 23182, 61037, 122074, 157603, 315206, 10559401, 21118802]

約数ペア:

[(1, 21118802), (2, 10559401), (67, 315206), (134, 157603), (173, 122074), (346, 61037), (911, 23182), (1822, 11591)]