21284612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{313009}}^1$

素因数の和:313030

約数の個数: 12

約数和(自身を含む): 39439260

約数和(自身を除く): 18154648

約数列:

[1, 2, 4, 17, 34, 68, 313009, 626018, 1252036, 5321153, 10642306, 21284612]

約数ペア:

[(1, 21284612), (2, 10642306), (4, 5321153), (17, 1252036), (34, 626018), (68, 313009)]