21946768

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{6151}}^1$

素因数の和:6382

約数の個数: 20

約数和(自身を含む): 42719488

約数和(自身を除く): 20772720

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 6151, 12302, 24604, 49208, 98416, 1371673, 2743346, 5486692, 10973384, 21946768]

約数ペア:

[(1, 21946768), (2, 10973384), (4, 5486692), (8, 2743346), (16, 1371673), (223, 98416), (446, 49208), (892, 24604), (1784, 12302), (3568, 6151)]