21191604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5867}}^1$

素因数の和:5924

約数の個数: 48

約数和(自身を含む): 57835008

約数和(自身を除く): 36643404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5867, 11734, 17601, 23468, 35202, 41069, 70404, 82138, 123207, 164276, 246414, 252281, 492828, 504562, 756843, 1009124, 1513686, 1765967, 3027372, 3531934, 5297901, 7063868, 10595802, 21191604]

約数ペア:

[(1, 21191604), (2, 10595802), (3, 7063868), (4, 5297901), (6, 3531934), (7, 3027372), (12, 1765967), (14, 1513686), (21, 1009124), (28, 756843), (42, 504562), (43, 492828), (84, 252281), (86, 246414), (129, 164276), (172, 123207), (258, 82138), (301, 70404), (516, 41069), (602, 35202), (903, 23468), (1204, 17601), (1806, 11734), (3612, 5867)]