21709664

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16547}}^1$

素因数の和:16598

約数の個数: 24

約数和(自身を含む): 43786008

約数和(自身を除く): 22076344

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16547, 33094, 66188, 132376, 264752, 529504, 678427, 1356854, 2713708, 5427416, 10854832, 21709664]

約数ペア:

[(1, 21709664), (2, 10854832), (4, 5427416), (8, 2713708), (16, 1356854), (32, 678427), (41, 529504), (82, 264752), (164, 132376), (328, 66188), (656, 33094), (1312, 16547)]