21000762304

素因数分解:

$2^6\times {\mathrm{499}}^1\times {\mathrm{657589}}^1$

素因数の和:658100

約数の個数: 28

約数和(自身を含む): 41756965000

約数和(自身を除く): 20756202696

約数列:

[1, 2, 4, 8, 16, 32, 64, 499, 998, 1996, 3992, 7984, 15968, 31936, 657589, 1315178, 2630356, 5260712, 10521424, 21042848, 42085696, 328136911, 656273822, 1312547644, 2625095288, 5250190576, 10500381152, 21000762304]

約数ペア:

[(1, 21000762304), (2, 10500381152), (4, 5250190576), (8, 2625095288), (16, 1312547644), (32, 656273822), (64, 328136911), (499, 42085696), (998, 21042848), (1996, 10521424), (3992, 5260712), (7984, 2630356), (15968, 1315178), (31936, 657589)]