21955528

素因数分解:

$2^3\times 7^2\times {\mathrm{56009}}^1$

素因数の和:56029

約数の個数: 24

約数和(自身を含む): 47888550

約数和(自身を除く): 25933022

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 56009, 112018, 224036, 392063, 448072, 784126, 1568252, 2744441, 3136504, 5488882, 10977764, 21955528]

約数ペア:

[(1, 21955528), (2, 10977764), (4, 5488882), (7, 3136504), (8, 2744441), (14, 1568252), (28, 784126), (49, 448072), (56, 392063), (98, 224036), (196, 112018), (392, 56009)]