21984918

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{159311}}^1$

素因数の和:159339

約数の個数: 16

約数和(自身を含む): 45881856

約数和(自身を除く): 23896938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 159311, 318622, 477933, 955866, 3664153, 7328306, 10992459, 21984918]

約数ペア:

[(1, 21984918), (2, 10992459), (3, 7328306), (6, 3664153), (23, 955866), (46, 477933), (69, 318622), (138, 159311)]