21879256

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16987}}^1$

素因数の和:17023

約数の個数: 32

約数和(自身を含む): 48925440

約数和(自身を除く): 27046184

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16987, 33974, 67948, 118909, 135896, 237818, 390701, 475636, 781402, 951272, 1562804, 2734907, 3125608, 5469814, 10939628, 21879256]

約数ペア:

[(1, 21879256), (2, 10939628), (4, 5469814), (7, 3125608), (8, 2734907), (14, 1562804), (23, 951272), (28, 781402), (46, 475636), (56, 390701), (92, 237818), (161, 135896), (184, 118909), (322, 67948), (644, 33974), (1288, 16987)]