21154771

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{797}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 3359789

約数列:

[1, 11, 19, 127, 209, 797, 1397, 2413, 8767, 15143, 26543, 101219, 166573, 1113409, 1923161, 21154771]

約数ペア:

[(1, 21154771), (11, 1923161), (19, 1113409), (127, 166573), (209, 101219), (797, 26543), (1397, 15143), (2413, 8767)]