21364016

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{5077}}^1$

素因数の和:5348

約数の個数: 20

約数和(自身を含む): 41558352

約数和(自身を除く): 20194336

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 5077, 10154, 20308, 40616, 81232, 1335251, 2670502, 5341004, 10682008, 21364016]

約数ペア:

[(1, 21364016), (2, 10682008), (4, 5341004), (8, 2670502), (16, 1335251), (263, 81232), (526, 40616), (1052, 20308), (2104, 10154), (4208, 5077)]