21047124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5827}}^1$

素因数の和:5884

約数の個数: 48

約数和(自身を含む): 57440768

約数和(自身を除く): 36393644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5827, 11654, 17481, 23308, 34962, 40789, 69924, 81578, 122367, 163156, 244734, 250561, 489468, 501122, 751683, 1002244, 1503366, 1753927, 3006732, 3507854, 5261781, 7015708, 10523562, 21047124]

約数ペア:

[(1, 21047124), (2, 10523562), (3, 7015708), (4, 5261781), (6, 3507854), (7, 3006732), (12, 1753927), (14, 1503366), (21, 1002244), (28, 751683), (42, 501122), (43, 489468), (84, 250561), (86, 244734), (129, 163156), (172, 122367), (258, 81578), (301, 69924), (516, 40789), (602, 34962), (903, 23308), (1204, 17481), (1806, 11654), (3612, 5827)]