21534544

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5237}}^1$

素因数の和:5502

約数の個数: 20

約数和(自身を含む): 41893524

約数和(自身を除く): 20358980

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5237, 10474, 20948, 41896, 83792, 1345909, 2691818, 5383636, 10767272, 21534544]

約数ペア:

[(1, 21534544), (2, 10767272), (4, 5383636), (8, 2691818), (16, 1345909), (257, 83792), (514, 41896), (1028, 20948), (2056, 10474), (4112, 5237)]