21346768

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2551}}^1$

素因数の和:3082

約数の個数: 20

約数和(自身を含む): 41454688

約数和(自身を除く): 20107920

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2551, 4184, 5102, 8368, 10204, 20408, 40816, 1334173, 2668346, 5336692, 10673384, 21346768]

約数ペア:

[(1, 21346768), (2, 10673384), (4, 5336692), (8, 2668346), (16, 1334173), (523, 40816), (1046, 20408), (2092, 10204), (2551, 8368), (4184, 5102)]