21131032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{203183}}^1$

素因数の和:203202

約数の個数: 16

約数和(自身を含む): 42668640

約数和(自身を除く): 21537608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 203183, 406366, 812732, 1625464, 2641379, 5282758, 10565516, 21131032]

約数ペア:

[(1, 21131032), (2, 10565516), (4, 5282758), (8, 2641379), (13, 1625464), (26, 812732), (52, 406366), (104, 203183)]