21041304

素因数分解:

$2^3\times 3^1\times {\mathrm{876721}}^1$

素因数の和:876730

約数の個数: 16

約数和(自身を含む): 52603320

約数和(自身を除く): 31562016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 876721, 1753442, 2630163, 3506884, 5260326, 7013768, 10520652, 21041304]

約数ペア:

[(1, 21041304), (2, 10520652), (3, 7013768), (4, 5260326), (6, 3506884), (8, 2630163), (12, 1753442), (24, 876721)]