21719103670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197446397}}^1$

素因数の和:197446415

約数の個数: 16

約数和(自身を含む): 42648421968

約数和(自身を除く): 20929318298

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197446397, 394892794, 987231985, 1974463970, 2171910367, 4343820734, 10859551835, 21719103670]

約数ペア:

[(1, 21719103670), (2, 10859551835), (5, 4343820734), (10, 2171910367), (11, 1974463970), (22, 987231985), (55, 394892794), (110, 197446397)]