21339438

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 44136576

約数和(自身を除く): 22797138

約数列:

[1, 2, 3, 6, 43, 86, 107, 129, 214, 258, 321, 642, 773, 1546, 2319, 4601, 4638, 9202, 13803, 27606, 33239, 66478, 82711, 99717, 165422, 199434, 248133, 496266, 3556573, 7113146, 10669719, 21339438]

約数ペア:

[(1, 21339438), (2, 10669719), (3, 7113146), (6, 3556573), (43, 496266), (86, 248133), (107, 199434), (129, 165422), (214, 99717), (258, 82711), (321, 66478), (642, 33239), (773, 27606), (1546, 13803), (2319, 9202), (4601, 4638)]