21795003

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{853}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 33572448

約数和(自身を除く): 11777445

約数列:

[1, 3, 9, 17, 51, 153, 167, 501, 853, 1503, 2559, 2839, 7677, 8517, 14501, 25551, 43503, 130509, 142451, 427353, 1282059, 2421667, 7265001, 21795003]

約数ペア:

[(1, 21795003), (3, 7265001), (9, 2421667), (17, 1282059), (51, 427353), (153, 142451), (167, 130509), (501, 43503), (853, 25551), (1503, 14501), (2559, 8517), (2839, 7677)]