21093512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239699}}^1$

素因数の和:239716

約数の個数: 16

約数和(自身を含む): 43146000

約数和(自身を除く): 22052488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239699, 479398, 958796, 1917592, 2636689, 5273378, 10546756, 21093512]

約数ペア:

[(1, 21093512), (2, 10546756), (4, 5273378), (8, 2636689), (11, 1917592), (22, 958796), (44, 479398), (88, 239699)]