21417153

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 29245440

約数和(自身を除く): 7828287

約数列:

[1, 3, 67, 127, 201, 381, 839, 2517, 8509, 25527, 56213, 106553, 168639, 319659, 7139051, 21417153]

約数ペア:

[(1, 21417153), (3, 7139051), (67, 319659), (127, 168639), (201, 106553), (381, 56213), (839, 25527), (2517, 8509)]