21294729

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 10941111

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 983, 2407, 2949, 7221, 8847, 21663, 28507, 81589, 85521, 244767, 256563, 734301, 2366081, 7098243, 21294729]

約数ペア:

[(1, 21294729), (3, 7098243), (9, 2366081), (29, 734301), (83, 256563), (87, 244767), (249, 85521), (261, 81589), (747, 28507), (983, 21663), (2407, 8847), (2949, 7221)]