21871096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210299}}^1$

素因数の和:210318

約数の個数: 16

約数和(自身を含む): 44163000

約数和(自身を除く): 22291904

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210299, 420598, 841196, 1682392, 2733887, 5467774, 10935548, 21871096]

約数ペア:

[(1, 21871096), (2, 10935548), (4, 5467774), (8, 2733887), (13, 1682392), (26, 841196), (52, 420598), (104, 210299)]