21058444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22487156

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 47, 68, 94, 187, 188, 374, 517, 599, 748, 799, 1034, 1198, 1598, 2068, 2396, 3196, 6589, 8789, 10183, 13178, 17578, 20366, 26356, 28153, 35156, 40732, 56306, 112013, 112612, 224026, 309683, 448052, 478601, 619366, 957202, 1238732, 1914404, 5264611, 10529222, 21058444]

約数ペア:

[(1, 21058444), (2, 10529222), (4, 5264611), (11, 1914404), (17, 1238732), (22, 957202), (34, 619366), (44, 478601), (47, 448052), (68, 309683), (94, 224026), (187, 112612), (188, 112013), (374, 56306), (517, 40732), (599, 35156), (748, 28153), (799, 26356), (1034, 20366), (1198, 17578), (1598, 13178), (2068, 10183), (2396, 8789), (3196, 6589)]