21329476

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40093}}^1$

素因数の和:40123

約数の個数: 24

約数和(自身を含む): 44905280

約数和(自身を除く): 23575804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40093, 80186, 160372, 280651, 561302, 761767, 1122604, 1523534, 3047068, 5332369, 10664738, 21329476]

約数ペア:

[(1, 21329476), (2, 10664738), (4, 5332369), (7, 3047068), (14, 1523534), (19, 1122604), (28, 761767), (38, 561302), (76, 280651), (133, 160372), (266, 80186), (532, 40093)]