21808934

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1621}}^1$

素因数の和:1692

約数の個数: 24

約数和(自身を含む): 38655504

約数和(自身を除く): 16846570

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1621, 1922, 3242, 6727, 11347, 13454, 22694, 50251, 100502, 351757, 703514, 1557781, 3115562, 10904467, 21808934]

約数ペア:

[(1, 21808934), (2, 10904467), (7, 3115562), (14, 1557781), (31, 703514), (62, 351757), (217, 100502), (434, 50251), (961, 22694), (1621, 13454), (1922, 11347), (3242, 6727)]