21083385800

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1573387}}^1$

素因数の和:1573470

約数の個数: 48

約数和(自身を含む): 49750528560

約数和(自身を除く): 28667142760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1675, 2680, 3350, 6700, 13400, 1573387, 3146774, 6293548, 7866935, 12587096, 15733870, 31467740, 39334675, 62935480, 78669350, 105416929, 157338700, 210833858, 314677400, 421667716, 527084645, 843335432, 1054169290, 2108338580, 2635423225, 4216677160, 5270846450, 10541692900, 21083385800]

約数ペア:

[(1, 21083385800), (2, 10541692900), (4, 5270846450), (5, 4216677160), (8, 2635423225), (10, 2108338580), (20, 1054169290), (25, 843335432), (40, 527084645), (50, 421667716), (67, 314677400), (100, 210833858), (134, 157338700), (200, 105416929), (268, 78669350), (335, 62935480), (536, 39334675), (670, 31467740), (1340, 15733870), (1675, 12587096), (2680, 7866935), (3350, 6293548), (6700, 3146774), (13400, 1573387)]