21488433

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 29532096

約数和(自身を除く): 8043663

約数列:

[1, 3, 43, 129, 157, 471, 1061, 3183, 6751, 20253, 45623, 136869, 166577, 499731, 7162811, 21488433]

約数ペア:

[(1, 21488433), (3, 7162811), (43, 499731), (129, 166577), (157, 136869), (471, 45623), (1061, 20253), (3183, 6751)]