21666857

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 24105600

約数和(自身を除く): 2438743

約数列:

[1, 17, 29, 71, 493, 619, 1207, 2059, 10523, 17951, 35003, 43949, 305167, 747133, 1274521, 21666857]

約数ペア:

[(1, 21666857), (17, 1274521), (29, 747133), (71, 305167), (493, 43949), (619, 35003), (1207, 17951), (2059, 10523)]