21411076

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 38564064

約数和(自身を除く): 17152988

約数列:

[1, 2, 4, 43, 86, 172, 281, 443, 562, 886, 1124, 1772, 12083, 19049, 24166, 38098, 48332, 76196, 124483, 248966, 497932, 5352769, 10705538, 21411076]

約数ペア:

[(1, 21411076), (2, 10705538), (4, 5352769), (43, 497932), (86, 248966), (172, 124483), (281, 76196), (443, 48332), (562, 38098), (886, 24166), (1124, 19049), (1772, 12083)]