21528767

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2102

約数の個数: 16

約数和(自身を含む): 24984960

約数和(自身を除く): 3456193

約数列:

[1, 13, 19, 43, 247, 559, 817, 2027, 10621, 26351, 38513, 87161, 500669, 1133093, 1656059, 21528767]

約数ペア:

[(1, 21528767), (13, 1656059), (19, 1133093), (43, 500669), (247, 87161), (559, 38513), (817, 26351), (2027, 10621)]