21184251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14929}}^1$

素因数の和:14986

約数の個数: 16

約数和(自身を含む): 31532160

約数和(自身を除く): 10347909

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14929, 44787, 164219, 492657, 641947, 1925841, 7061417, 21184251]

約数ペア:

[(1, 21184251), (3, 7061417), (11, 1925841), (33, 641947), (43, 492657), (129, 164219), (473, 44787), (1419, 14929)]