21555670

素因数分解:

$2^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{5779}}^1$

素因数の和:6159

約数の個数: 16

約数和(自身を含む): 38910960

約数和(自身を除く): 17355290

約数列:

[1, 2, 5, 10, 373, 746, 1865, 3730, 5779, 11558, 28895, 57790, 2155567, 4311134, 10777835, 21555670]

約数ペア:

[(1, 21555670), (2, 10777835), (5, 4311134), (10, 2155567), (373, 57790), (746, 28895), (1865, 11558), (3730, 5779)]