21508016

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{1327}}^1$

素因数の和:2348

約数の個数: 20

約数和(自身を含む): 41744352

約数和(自身を除く): 20236336

約数列:

[1, 2, 4, 8, 16, 1013, 1327, 2026, 2654, 4052, 5308, 8104, 10616, 16208, 21232, 1344251, 2688502, 5377004, 10754008, 21508016]

約数ペア:

[(1, 21508016), (2, 10754008), (4, 5377004), (8, 2688502), (16, 1344251), (1013, 21232), (1327, 16208), (2026, 10616), (2654, 8104), (4052, 5308)]