21129139

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 22744800

約数和(自身を除く): 1615661

約数列:

[1, 29, 53, 59, 233, 1537, 1711, 3127, 6757, 12349, 13747, 90683, 358121, 398663, 728591, 21129139]

約数ペア:

[(1, 21129139), (29, 728591), (53, 398663), (59, 358121), (233, 90683), (1537, 13747), (1711, 12349), (3127, 6757)]