21465159

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1063}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 29417472

約数和(自身を除く): 7952313

約数列:

[1, 3, 53, 127, 159, 381, 1063, 3189, 6731, 20193, 56339, 135001, 169017, 405003, 7155053, 21465159]

約数ペア:

[(1, 21465159), (3, 7155053), (53, 405003), (127, 169017), (159, 135001), (381, 56339), (1063, 20193), (3189, 6731)]