21467528

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{10691}}^1$

素因数の和:10948

約数の個数: 16

約数和(自身を含む): 40415760

約数和(自身を除く): 18948232

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 10691, 21382, 42764, 85528, 2683441, 5366882, 10733764, 21467528]

約数ペア:

[(1, 21467528), (2, 10733764), (4, 5366882), (8, 2683441), (251, 85528), (502, 42764), (1004, 21382), (2008, 10691)]