221621567

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{7589}}^1$

素因数の和:7690

約数の個数: 16

約数和(自身を含む): 245916000

約数和(自身を除く): 24294433

約数列:

[1, 19, 29, 53, 551, 1007, 1537, 7589, 29203, 144191, 220081, 402217, 4181539, 7642123, 11664293, 221621567]

約数ペア:

[(1, 221621567), (19, 11664293), (29, 7642123), (53, 4181539), (551, 402217), (1007, 220081), (1537, 144191), (7589, 29203)]