21716408

素因数分解:

$2^3\times 7^2\times {\mathrm{55399}}^1$

素因数の和:55419

約数の個数: 24

約数和(自身を含む): 47367000

約数和(自身を除く): 25650592

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55399, 110798, 221596, 387793, 443192, 775586, 1551172, 2714551, 3102344, 5429102, 10858204, 21716408]

約数ペア:

[(1, 21716408), (2, 10858204), (4, 5429102), (7, 3102344), (8, 2714551), (14, 1551172), (28, 775586), (49, 443192), (56, 387793), (98, 221596), (196, 110798), (392, 55399)]