21176824

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{39509}}^1$

素因数の和:39582

約数の個数: 16

約数和(自身を含む): 40300200

約数和(自身を除く): 19123376

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 39509, 79018, 158036, 316072, 2647103, 5294206, 10588412, 21176824]

約数ペア:

[(1, 21176824), (2, 10588412), (4, 5294206), (8, 2647103), (67, 316072), (134, 158036), (268, 79018), (536, 39509)]