21242193

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2011}}^1$

素因数の和:2524

約数の個数: 16

約数和(自身を含む): 32449536

約数和(自身を除く): 11207343

約数列:

[1, 3, 7, 21, 503, 1509, 2011, 3521, 6033, 10563, 14077, 42231, 1011533, 3034599, 7080731, 21242193]

約数ペア:

[(1, 21242193), (3, 7080731), (7, 3034599), (21, 1011533), (503, 42231), (1509, 14077), (2011, 10563), (3521, 6033)]