21499449

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{773}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 29325312

約数和(自身を除く): 7825863

約数列:

[1, 3, 73, 127, 219, 381, 773, 2319, 9271, 27813, 56429, 98171, 169287, 294513, 7166483, 21499449]

約数ペア:

[(1, 21499449), (3, 7166483), (73, 294513), (127, 169287), (219, 98171), (381, 56429), (773, 27813), (2319, 9271)]