21507533

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 23452416

約数和(自身を除く): 1944883

約数列:

[1, 17, 71, 103, 173, 1207, 1751, 2941, 7313, 12283, 17819, 124321, 208811, 302923, 1265149, 21507533]

約数ペア:

[(1, 21507533), (17, 1265149), (71, 302923), (103, 208811), (173, 124321), (1207, 17819), (1751, 12283), (2941, 7313)]