21451859

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2239}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 25589760

約数和(自身を除く): 4137901

約数列:

[1, 11, 13, 67, 143, 737, 871, 2239, 9581, 24629, 29107, 150013, 320177, 1650143, 1950169, 21451859]

約数ペア:

[(1, 21451859), (11, 1950169), (13, 1650143), (67, 320177), (143, 150013), (737, 29107), (871, 24629), (2239, 9581)]