2021391939

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{3907}}^1$

素因数の和:4335

約数の個数: 32

約数和(自身を含む): 3133403136

約数和(自身を除く): 1112011197

約数列:

[1, 3, 7, 21, 71, 213, 347, 497, 1041, 1491, 2429, 3907, 7287, 11721, 24637, 27349, 73911, 82047, 172459, 277397, 517377, 832191, 1355729, 1941779, 4067187, 5825337, 9490103, 28470309, 96256759, 288770277, 673797313, 2021391939]

約数ペア:

[(1, 2021391939), (3, 673797313), (7, 288770277), (21, 96256759), (71, 28470309), (213, 9490103), (347, 5825337), (497, 4067187), (1041, 1941779), (1491, 1355729), (2429, 832191), (3907, 517377), (7287, 277397), (11721, 172459), (24637, 82047), (27349, 73911)]