21346448

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6323}}^1$

素因数の和:6542

約数の個数: 20

約数和(自身を含む): 41561328

約数和(自身を除く): 20214880

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6323, 12646, 25292, 50584, 101168, 1334153, 2668306, 5336612, 10673224, 21346448]

約数ペア:

[(1, 21346448), (2, 10673224), (4, 5336612), (8, 2668306), (16, 1334153), (211, 101168), (422, 50584), (844, 25292), (1688, 12646), (3376, 6323)]