21451668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5939}}^1$

素因数の和:5996

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 37092972

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, 5939, 11878, 17817, 23756, 35634, 41573, 71268, 83146, 124719, 166292, 249438, 255377, 498876, 510754, 766131, 1021508, 1532262, 1787639, 3064524, 3575278, 5362917, 7150556, 10725834, 21451668]

約数ペア:

[(1, 21451668), (2, 10725834), (3, 7150556), (4, 5362917), (6, 3575278), (7, 3064524), (12, 1787639), (14, 1532262), (21, 1021508), (28, 766131), (42, 510754), (43, 498876), (84, 255377), (86, 249438), (129, 166292), (172, 124719), (258, 83146), (301, 71268), (516, 41573), (602, 35634), (903, 23756), (1204, 17817), (1806, 11878), (3612, 5939)]