21711824

素因数分解:

$2^4\times {\mathrm{1097}}^1\times {\mathrm{1237}}^1$

素因数の和:2342

約数の個数: 20

約数和(自身を含む): 42139044

約数和(自身を除く): 20427220

約数列:

[1, 2, 4, 8, 16, 1097, 1237, 2194, 2474, 4388, 4948, 8776, 9896, 17552, 19792, 1356989, 2713978, 5427956, 10855912, 21711824]

約数ペア:

[(1, 21711824), (2, 10855912), (4, 5427956), (8, 2713978), (16, 1356989), (1097, 19792), (1237, 17552), (2194, 9896), (2474, 8776), (4388, 4948)]