21075908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24281}}^1$

素因数の和:24323

約数の個数: 24

約数和(自身を含む): 43513344

約数和(自身を除く): 22437436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24281, 48562, 97124, 169967, 339934, 679868, 752711, 1505422, 3010844, 5268977, 10537954, 21075908]

約数ペア:

[(1, 21075908), (2, 10537954), (4, 5268977), (7, 3010844), (14, 1505422), (28, 752711), (31, 679868), (62, 339934), (124, 169967), (217, 97124), (434, 48562), (868, 24281)]