21451317

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{911}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 29417472

約数和(自身を除く): 7966155

約数列:

[1, 3, 47, 141, 167, 501, 911, 2733, 7849, 23547, 42817, 128451, 152137, 456411, 7150439, 21451317]

約数ペア:

[(1, 21451317), (3, 7150439), (47, 456411), (141, 152137), (167, 128451), (501, 42817), (911, 23547), (2733, 7849)]