21246423

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{7757}}^1$

素因数の和:7854

約数の個数: 16

約数和(自身を含む): 31280256

約数和(自身を除く): 10033833

約数列:

[1, 3, 11, 33, 83, 249, 913, 2739, 7757, 23271, 85327, 255981, 643831, 1931493, 7082141, 21246423]

約数ペア:

[(1, 21246423), (3, 7082141), (11, 1931493), (33, 643831), (83, 255981), (249, 85327), (913, 23271), (2739, 7757)]