21350794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5563}}^1$

素因数の和:5685

約数の個数: 16

約数和(自身を含む): 34051680

約数和(自身を除く): 12700886

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5563, 11126, 105697, 211394, 561863, 1123726, 10675397, 21350794]

約数ペア:

[(1, 21350794), (2, 10675397), (19, 1123726), (38, 561863), (101, 211394), (202, 105697), (1919, 11126), (3838, 5563)]