21063913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{797}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 3067607

約数列:

[1, 13, 19, 107, 247, 797, 1391, 2033, 10361, 15143, 26429, 85279, 196859, 1108627, 1620301, 21063913]

約数ペア:

[(1, 21063913), (13, 1620301), (19, 1108627), (107, 196859), (247, 85279), (797, 26429), (1391, 15143), (2033, 10361)]