21000317745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11570423}}^1$

素因数の和:11570453

約数の個数: 24

約数和(自身を含む): 36932793408

約数和(自身を除く): 15932475663

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11570423, 34711269, 57852115, 127274653, 173556345, 381823959, 636373265, 1400021183, 1909119795, 4200063549, 7000105915, 21000317745]

約数ペア:

[(1, 21000317745), (3, 7000105915), (5, 4200063549), (11, 1909119795), (15, 1400021183), (33, 636373265), (55, 381823959), (121, 173556345), (165, 127274653), (363, 57852115), (605, 34711269), (1815, 11570423)]