21964572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2087

約数の個数: 72

約数和(自身を含む): 64960896

約数和(自身を除く): 42996324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2027, 2709, 3612, 4054, 5418, 6081, 8108, 10836, 12162, 14189, 18243, 24324, 28378, 36486, 42567, 56756, 72972, 85134, 87161, 127701, 170268, 174322, 255402, 261483, 348644, 510804, 522966, 610127, 784449, 1045932, 1220254, 1568898, 1830381, 2440508, 3137796, 3660762, 5491143, 7321524, 10982286, 21964572]

約数ペア:

[(1, 21964572), (2, 10982286), (3, 7321524), (4, 5491143), (6, 3660762), (7, 3137796), (9, 2440508), (12, 1830381), (14, 1568898), (18, 1220254), (21, 1045932), (28, 784449), (36, 610127), (42, 522966), (43, 510804), (63, 348644), (84, 261483), (86, 255402), (126, 174322), (129, 170268), (172, 127701), (252, 87161), (258, 85134), (301, 72972), (387, 56756), (516, 42567), (602, 36486), (774, 28378), (903, 24324), (1204, 18243), (1548, 14189), (1806, 12162), (2027, 10836), (2709, 8108), (3612, 6081), (4054, 5418)]