21527824

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{13063}}^1$

素因数の和:13174

約数の個数: 20

約数和(自身を含む): 42118336

約数和(自身を除く): 20590512

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 13063, 26126, 52252, 104504, 209008, 1345489, 2690978, 5381956, 10763912, 21527824]

約数ペア:

[(1, 21527824), (2, 10763912), (4, 5381956), (8, 2690978), (16, 1345489), (103, 209008), (206, 104504), (412, 52252), (824, 26126), (1648, 13063)]