21310863

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14293}}^1$

素因数の和:14374

約数の個数: 16

約数和(自身を含む): 32933376

約数和(自身を除く): 11622513

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 14293, 42879, 100051, 300153, 1014803, 3044409, 7103621, 21310863]

約数ペア:

[(1, 21310863), (3, 7103621), (7, 3044409), (21, 1014803), (71, 300153), (213, 100051), (497, 42879), (1491, 14293)]