21580735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23081}}^1$

素因数の和:23114

約数の個数: 16

約数和(自身を含む): 29914272

約数和(自身を除く): 8333537

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 23081, 115405, 253891, 392377, 1269455, 1961885, 4316147, 21580735]

約数ペア:

[(1, 21580735), (5, 4316147), (11, 1961885), (17, 1269455), (55, 392377), (85, 253891), (187, 115405), (935, 23081)]