21987576

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^3\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 64974000

約数和(自身を除く): 42986424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 139, 156, 169, 234, 278, 312, 338, 417, 468, 507, 556, 676, 834, 936, 1014, 1112, 1251, 1352, 1521, 1668, 1807, 2028, 2197, 2502, 3042, 3336, 3614, 4056, 4394, 5004, 5421, 6084, 6591, 7228, 8788, 10008, 10842, 12168, 13182, 14456, 16263, 17576, 19773, 21684, 23491, 26364, 32526, 39546, 43368, 46982, 52728, 65052, 70473, 79092, 93964, 130104, 140946, 158184, 187928, 211419, 281892, 305383, 422838, 563784, 610766, 845676, 916149, 1221532, 1691352, 1832298, 2443064, 2748447, 3664596, 5496894, 7329192, 10993788, 21987576]

約数ペア:

[(1, 21987576), (2, 10993788), (3, 7329192), (4, 5496894), (6, 3664596), (8, 2748447), (9, 2443064), (12, 1832298), (13, 1691352), (18, 1221532), (24, 916149), (26, 845676), (36, 610766), (39, 563784), (52, 422838), (72, 305383), (78, 281892), (104, 211419), (117, 187928), (139, 158184), (156, 140946), (169, 130104), (234, 93964), (278, 79092), (312, 70473), (338, 65052), (417, 52728), (468, 46982), (507, 43368), (556, 39546), (676, 32526), (834, 26364), (936, 23491), (1014, 21684), (1112, 19773), (1251, 17576), (1352, 16263), (1521, 14456), (1668, 13182), (1807, 12168), (2028, 10842), (2197, 10008), (2502, 8788), (3042, 7228), (3336, 6591), (3614, 6084), (4056, 5421), (4394, 5004)]