21511904

素因数分解:

$2^5\times {\mathrm{457}}^1\times {\mathrm{1471}}^1$

素因数の和:1938

約数の個数: 24

約数和(自身を含む): 42473088

約数和(自身を除く): 20961184

約数列:

[1, 2, 4, 8, 16, 32, 457, 914, 1471, 1828, 2942, 3656, 5884, 7312, 11768, 14624, 23536, 47072, 672247, 1344494, 2688988, 5377976, 10755952, 21511904]

約数ペア:

[(1, 21511904), (2, 10755952), (4, 5377976), (8, 2688988), (16, 1344494), (32, 672247), (457, 47072), (914, 23536), (1471, 14624), (1828, 11768), (2942, 7312), (3656, 5884)]