21051032

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154787}}^1$

素因数の和:154810

約数の個数: 16

約数和(自身を含む): 41792760

約数和(自身を除く): 20741728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154787, 309574, 619148, 1238296, 2631379, 5262758, 10525516, 21051032]

約数ペア:

[(1, 21051032), (2, 10525516), (4, 5262758), (8, 2631379), (17, 1238296), (34, 619148), (68, 309574), (136, 154787)]