21439696

素因数分解:

$2^4\times {\mathrm{227}}^1\times {\mathrm{5903}}^1$

素因数の和:6138

約数の個数: 20

約数和(自身を含む): 41729472

約数和(自身を除く): 20289776

約数列:

[1, 2, 4, 8, 16, 227, 454, 908, 1816, 3632, 5903, 11806, 23612, 47224, 94448, 1339981, 2679962, 5359924, 10719848, 21439696]

約数ペア:

[(1, 21439696), (2, 10719848), (4, 5359924), (8, 2679962), (16, 1339981), (227, 94448), (454, 47224), (908, 23612), (1816, 11806), (3632, 5903)]