21270147339

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27374707}}^1$

素因数の和:27374754

約数の個数: 16

約数和(自身を含む): 33287644928

約数和(自身を除く): 12017497589

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 27374707, 82124121, 191622949, 574868847, 1012864159, 3038592477, 7090049113, 21270147339]

約数ペア:

[(1, 21270147339), (3, 7090049113), (7, 3038592477), (21, 1012864159), (37, 574868847), (111, 191622949), (259, 82124121), (777, 27374707)]