21976669

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 25953984

約数和(自身を除く): 3977315

約数列:

[1, 11, 13, 143, 313, 491, 3443, 4069, 5401, 6383, 44759, 70213, 153683, 1690513, 1997879, 21976669]

約数ペア:

[(1, 21976669), (11, 1997879), (13, 1690513), (143, 153683), (313, 70213), (491, 44759), (3443, 6383), (4069, 5401)]