21154568

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44819}}^1$

素因数の和:44884

約数の個数: 16

約数和(自身を含む): 40338000

約数和(自身を除く): 19183432

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44819, 89638, 179276, 358552, 2644321, 5288642, 10577284, 21154568]

約数ペア:

[(1, 21154568), (2, 10577284), (4, 5288642), (8, 2644321), (59, 358552), (118, 179276), (236, 89638), (472, 44819)]