21419486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42331}}^1$

素因数の和:42367

約数の個数: 16

約数和(自身を含む): 36574848

約数和(自身を除く): 15155362

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42331, 84662, 465641, 931282, 973613, 1947226, 10709743, 21419486]

約数ペア:

[(1, 21419486), (2, 10709743), (11, 1947226), (22, 973613), (23, 931282), (46, 465641), (253, 84662), (506, 42331)]