21762070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197837}}^1$

素因数の和:197855

約数の個数: 16

約数和(自身を含む): 42733008

約数和(自身を除く): 20970938

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197837, 395674, 989185, 1978370, 2176207, 4352414, 10881035, 21762070]

約数ペア:

[(1, 21762070), (2, 10881035), (5, 4352414), (10, 2176207), (11, 1978370), (22, 989185), (55, 395674), (110, 197837)]