21431366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1\times {\mathrm{991}}^1$

素因数の和:1987

約数の個数: 16

約数和(自身を含む): 35140608

約数和(自身を除く): 13709242

約数列:

[1, 2, 11, 22, 983, 991, 1966, 1982, 10813, 10901, 21626, 21802, 974153, 1948306, 10715683, 21431366]

約数ペア:

[(1, 21431366), (2, 10715683), (11, 1948306), (22, 974153), (983, 21802), (991, 21626), (1966, 10901), (1982, 10813)]