21580701

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{1153}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 30576384

約数和(自身を除く): 8995683

約数列:

[1, 3, 17, 51, 367, 1101, 1153, 3459, 6239, 18717, 19601, 58803, 423151, 1269453, 7193567, 21580701]

約数ペア:

[(1, 21580701), (3, 7193567), (17, 1269453), (51, 423151), (367, 58803), (1101, 19601), (1153, 18717), (3459, 6239)]