21855904

素因数分解:

$2^5\times 7^1\times {\mathrm{97571}}^1$

素因数の和:97588

約数の個数: 24

約数和(自身を含む): 49176288

約数和(自身を除く): 27320384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 97571, 195142, 390284, 682997, 780568, 1365994, 1561136, 2731988, 3122272, 5463976, 10927952, 21855904]

約数ペア:

[(1, 21855904), (2, 10927952), (4, 5463976), (7, 3122272), (8, 2731988), (14, 1561136), (16, 1365994), (28, 780568), (32, 682997), (56, 390284), (112, 195142), (224, 97571)]