21935824

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{5059}}^1$

素因数の和:5338

約数の個数: 20

約数和(自身を含む): 42665920

約数和(自身を除く): 20730096

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 5059, 10118, 20236, 40472, 80944, 1370989, 2741978, 5483956, 10967912, 21935824]

約数ペア:

[(1, 21935824), (2, 10967912), (4, 5483956), (8, 2741978), (16, 1370989), (271, 80944), (542, 40472), (1084, 20236), (2168, 10118), (4336, 5059)]