21612877

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{421}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 25522560

約数和(自身を除く): 3909683

約数列:

[1, 11, 13, 143, 359, 421, 3949, 4631, 4667, 5473, 51337, 60203, 151139, 1662529, 1964807, 21612877]

約数ペア:

[(1, 21612877), (11, 1964807), (13, 1662529), (143, 151139), (359, 60203), (421, 51337), (3949, 5473), (4631, 4667)]