21747056

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33151}}^1$

素因数の和:33200

約数の個数: 20

約数和(自身を含む): 43163904

約数和(自身を除く): 21416848

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33151, 66302, 132604, 265208, 530416, 1359191, 2718382, 5436764, 10873528, 21747056]

約数ペア:

[(1, 21747056), (2, 10873528), (4, 5436764), (8, 2718382), (16, 1359191), (41, 530416), (82, 265208), (164, 132604), (328, 66302), (656, 33151)]