21906994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5351}}^1$

素因数の和:5465

約数の個数: 16

約数和(自身を含む): 34680960

約数和(自身を除く): 12773966

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 5351, 10702, 123073, 246146, 476239, 952478, 10953497, 21906994]

約数ペア:

[(1, 21906994), (2, 10953497), (23, 952478), (46, 476239), (89, 246146), (178, 123073), (2047, 10702), (4094, 5351)]