21782292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 58369920

約数和(自身を除く): 36587628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 1009, 1028, 1542, 1799, 2018, 3027, 3084, 3598, 4036, 5397, 6054, 7063, 7196, 10794, 12108, 14126, 21189, 21588, 28252, 42378, 84756, 259313, 518626, 777939, 1037252, 1555878, 1815191, 3111756, 3630382, 5445573, 7260764, 10891146, 21782292]

約数ペア:

[(1, 21782292), (2, 10891146), (3, 7260764), (4, 5445573), (6, 3630382), (7, 3111756), (12, 1815191), (14, 1555878), (21, 1037252), (28, 777939), (42, 518626), (84, 259313), (257, 84756), (514, 42378), (771, 28252), (1009, 21588), (1028, 21189), (1542, 14126), (1799, 12108), (2018, 10794), (3027, 7196), (3084, 7063), (3598, 6054), (4036, 5397)]