21950416

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33461}}^1$

素因数の和:33510

約数の個数: 20

約数和(自身を含む): 43567524

約数和(自身を除く): 21617108

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33461, 66922, 133844, 267688, 535376, 1371901, 2743802, 5487604, 10975208, 21950416]

約数ペア:

[(1, 21950416), (2, 10975208), (4, 5487604), (8, 2743802), (16, 1371901), (41, 535376), (82, 267688), (164, 133844), (328, 66922), (656, 33461)]