21950306

素因数分解:

$2^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2269}}^1$

素因数の和:2969

約数の個数: 16

約数和(自身を含む): 37700160

約数和(自身を除く): 15749854

約数列:

[1, 2, 7, 14, 691, 1382, 2269, 4538, 4837, 9674, 15883, 31766, 1567879, 3135758, 10975153, 21950306]

約数ペア:

[(1, 21950306), (2, 10975153), (7, 3135758), (14, 1567879), (691, 31766), (1382, 15883), (2269, 9674), (4538, 4837)]