21504167

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 24027840

約数和(自身を除く): 2523673

約数列:

[1, 17, 29, 53, 493, 823, 901, 1537, 13991, 23867, 26129, 43619, 405739, 741523, 1264951, 21504167]

約数ペア:

[(1, 21504167), (17, 1264951), (29, 741523), (53, 405739), (493, 43619), (823, 26129), (901, 23867), (1537, 13991)]