21245412

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{12923}}^1$

素因数の和:13067

約数の個数: 24

約数和(自身を含む): 49938336

約数和(自身を除く): 28692924

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 12923, 25846, 38769, 51692, 77538, 155076, 1770451, 3540902, 5311353, 7081804, 10622706, 21245412]

約数ペア:

[(1, 21245412), (2, 10622706), (3, 7081804), (4, 5311353), (6, 3540902), (12, 1770451), (137, 155076), (274, 77538), (411, 51692), (548, 38769), (822, 25846), (1644, 12923)]