21000688269

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{674851}}^1$

素因数の和:674929

約数の個数: 32

約数和(自身を含む): 32652039168

約数和(自身を除く): 11651350899

約数列:

[1, 3, 11, 23, 33, 41, 69, 123, 253, 451, 759, 943, 1353, 2829, 10373, 31119, 674851, 2024553, 7423361, 15521573, 22270083, 27668891, 46564719, 83006673, 170737303, 304357801, 512211909, 636384493, 913073403, 1909153479, 7000229423, 21000688269]

約数ペア:

[(1, 21000688269), (3, 7000229423), (11, 1909153479), (23, 913073403), (33, 636384493), (41, 512211909), (69, 304357801), (123, 170737303), (253, 83006673), (451, 46564719), (759, 27668891), (943, 22270083), (1353, 15521573), (2829, 7423361), (10373, 2024553), (31119, 674851)]