21099004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2903}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 39029760

約数和(自身を除く): 17930756

約数列:

[1, 2, 4, 23, 46, 79, 92, 158, 316, 1817, 2903, 3634, 5806, 7268, 11612, 66769, 133538, 229337, 267076, 458674, 917348, 5274751, 10549502, 21099004]

約数ペア:

[(1, 21099004), (2, 10549502), (4, 5274751), (23, 917348), (46, 458674), (79, 267076), (92, 229337), (158, 133538), (316, 66769), (1817, 11612), (2903, 7268), (3634, 5806)]