21529368

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 70848000

約数和(自身を除く): 49318632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 29, 36, 42, 54, 56, 58, 63, 72, 84, 87, 108, 116, 126, 168, 174, 189, 203, 216, 232, 252, 261, 348, 378, 406, 491, 504, 522, 609, 696, 756, 783, 812, 982, 1044, 1218, 1473, 1512, 1566, 1624, 1827, 1964, 2088, 2436, 2946, 3132, 3437, 3654, 3928, 4419, 4872, 5481, 5892, 6264, 6874, 7308, 8838, 10311, 10962, 11784, 13257, 13748, 14239, 14616, 17676, 20622, 21924, 26514, 27496, 28478, 30933, 35352, 41244, 42717, 43848, 53028, 56956, 61866, 82488, 85434, 92799, 99673, 106056, 113912, 123732, 128151, 170868, 185598, 199346, 247464, 256302, 299019, 341736, 371196, 384453, 398692, 512604, 598038, 742392, 768906, 797384, 897057, 1025208, 1196076, 1537812, 1794114, 2392152, 2691171, 3075624, 3588228, 5382342, 7176456, 10764684, 21529368]

約数ペア:

[(1, 21529368), (2, 10764684), (3, 7176456), (4, 5382342), (6, 3588228), (7, 3075624), (8, 2691171), (9, 2392152), (12, 1794114), (14, 1537812), (18, 1196076), (21, 1025208), (24, 897057), (27, 797384), (28, 768906), (29, 742392), (36, 598038), (42, 512604), (54, 398692), (56, 384453), (58, 371196), (63, 341736), (72, 299019), (84, 256302), (87, 247464), (108, 199346), (116, 185598), (126, 170868), (168, 128151), (174, 123732), (189, 113912), (203, 106056), (216, 99673), (232, 92799), (252, 85434), (261, 82488), (348, 61866), (378, 56956), (406, 53028), (491, 43848), (504, 42717), (522, 41244), (609, 35352), (696, 30933), (756, 28478), (783, 27496), (812, 26514), (982, 21924), (1044, 20622), (1218, 17676), (1473, 14616), (1512, 14239), (1566, 13748), (1624, 13257), (1827, 11784), (1964, 10962), (2088, 10311), (2436, 8838), (2946, 7308), (3132, 6874), (3437, 6264), (3654, 5892), (3928, 5481), (4419, 4872)]