21681935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{823}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 28477440

約数和(自身を除く): 6795505

約数列:

[1, 5, 11, 55, 479, 823, 2395, 4115, 5269, 9053, 26345, 45265, 394217, 1971085, 4336387, 21681935]

約数ペア:

[(1, 21681935), (5, 4336387), (11, 1971085), (55, 394217), (479, 45265), (823, 26345), (2395, 9053), (4115, 5269)]