21577274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1627}}^1$

素因数の和:1997

約数の個数: 16

約数和(自身を含む): 34188000

約数和(自身を除く): 12610726

約数列:

[1, 2, 19, 38, 349, 698, 1627, 3254, 6631, 13262, 30913, 61826, 567823, 1135646, 10788637, 21577274]

約数ペア:

[(1, 21577274), (2, 10788637), (19, 1135646), (38, 567823), (349, 61826), (698, 30913), (1627, 13262), (3254, 6631)]