21640102

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42767}}^1$

素因数の和:42803

約数の個数: 16

約数和(自身を含む): 36951552

約数和(自身を除く): 15311450

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42767, 85534, 470437, 940874, 983641, 1967282, 10820051, 21640102]

約数ペア:

[(1, 21640102), (2, 10820051), (11, 1967282), (22, 983641), (23, 940874), (46, 470437), (253, 85534), (506, 42767)]