21030153904

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{661}}^1\times {\mathrm{10303}}^1$

素因数の和:11165

約数の個数: 40

約数和(自身を含む): 41022985472

約数和(自身を除く): 19992831568

約数列:

[1, 2, 4, 8, 16, 193, 386, 661, 772, 1322, 1544, 2644, 3088, 5288, 10303, 10576, 20606, 41212, 82424, 127573, 164848, 255146, 510292, 1020584, 1988479, 2041168, 3976958, 6810283, 7953916, 13620566, 15907832, 27241132, 31815664, 54482264, 108964528, 1314384619, 2628769238, 5257538476, 10515076952, 21030153904]

約数ペア:

[(1, 21030153904), (2, 10515076952), (4, 5257538476), (8, 2628769238), (16, 1314384619), (193, 108964528), (386, 54482264), (661, 31815664), (772, 27241132), (1322, 15907832), (1544, 13620566), (2644, 7953916), (3088, 6810283), (5288, 3976958), (10303, 2041168), (10576, 1988479), (20606, 1020584), (41212, 510292), (82424, 255146), (127573, 164848)]