21058192

素因数分解:

$2^4\times {\mathrm{577}}^1\times {\mathrm{2281}}^1$

素因数の和:2866

約数の個数: 20

約数和(自身を含む): 40888876

約数和(自身を除く): 19830684

約数列:

[1, 2, 4, 8, 16, 577, 1154, 2281, 2308, 4562, 4616, 9124, 9232, 18248, 36496, 1316137, 2632274, 5264548, 10529096, 21058192]

約数ペア:

[(1, 21058192), (2, 10529096), (4, 5264548), (8, 2632274), (16, 1316137), (577, 36496), (1154, 18248), (2281, 9232), (2308, 9124), (4562, 4616)]