21106383

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 7633713

約数列:

[1, 3, 71, 197, 213, 503, 591, 1509, 13987, 35713, 41961, 99091, 107139, 297273, 7035461, 21106383]

約数ペア:

[(1, 21106383), (3, 7035461), (71, 297273), (197, 107139), (213, 99091), (503, 41961), (591, 35713), (1509, 13987)]