21540035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3593}}^1$

素因数の和:3718

約数の個数: 16

約数和(自身を含む): 28464480

約数和(自身を除く): 6924445

約数列:

[1, 5, 11, 55, 109, 545, 1199, 3593, 5995, 17965, 39523, 197615, 391637, 1958185, 4308007, 21540035]

約数ペア:

[(1, 21540035), (5, 4308007), (11, 1958185), (55, 391637), (109, 197615), (545, 39523), (1199, 17965), (3593, 5995)]