21078536

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{14557}}^1$

素因数の和:14744

約数の個数: 16

約数和(自身を含む): 39743340

約数和(自身を除く): 18664804

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 14557, 29114, 58228, 116456, 2634817, 5269634, 10539268, 21078536]

約数ペア:

[(1, 21078536), (2, 10539268), (4, 5269634), (8, 2634817), (181, 116456), (362, 58228), (724, 29114), (1448, 14557)]