21000434686

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3171313}}^1$

素因数の和:3171376

約数の個数: 32

約数和(自身を含む): 40186891008

約数和(自身を除く): 19186456322

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3311, 6622, 3171313, 6342626, 22199191, 34884443, 44398382, 69768886, 136366459, 244191101, 272732918, 488382202, 954565213, 1500031049, 1909130426, 3000062098, 10500217343, 21000434686]

約数ペア:

[(1, 21000434686), (2, 10500217343), (7, 3000062098), (11, 1909130426), (14, 1500031049), (22, 954565213), (43, 488382202), (77, 272732918), (86, 244191101), (154, 136366459), (301, 69768886), (473, 44398382), (602, 34884443), (946, 22199191), (3311, 6342626), (6622, 3171313)]