21346668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 67092480

約数和(自身を除く): 45745812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 29, 36, 42, 46, 58, 63, 69, 84, 87, 92, 116, 126, 127, 138, 161, 174, 203, 207, 252, 254, 261, 276, 322, 348, 381, 406, 414, 483, 508, 522, 609, 644, 667, 762, 812, 828, 889, 966, 1044, 1143, 1218, 1334, 1449, 1524, 1778, 1827, 1932, 2001, 2286, 2436, 2667, 2668, 2898, 2921, 3556, 3654, 3683, 4002, 4572, 4669, 5334, 5796, 5842, 6003, 7308, 7366, 8001, 8004, 8763, 9338, 10668, 11049, 11684, 12006, 14007, 14732, 16002, 17526, 18676, 20447, 22098, 24012, 25781, 26289, 28014, 32004, 33147, 35052, 40894, 42021, 44196, 51562, 52578, 56028, 61341, 66294, 77343, 81788, 84042, 84709, 103124, 105156, 122682, 132588, 154686, 168084, 169418, 184023, 232029, 245364, 254127, 309372, 338836, 368046, 464058, 508254, 592963, 736092, 762381, 928116, 1016508, 1185926, 1524762, 1778889, 2371852, 3049524, 3557778, 5336667, 7115556, 10673334, 21346668]

約数ペア:

[(1, 21346668), (2, 10673334), (3, 7115556), (4, 5336667), (6, 3557778), (7, 3049524), (9, 2371852), (12, 1778889), (14, 1524762), (18, 1185926), (21, 1016508), (23, 928116), (28, 762381), (29, 736092), (36, 592963), (42, 508254), (46, 464058), (58, 368046), (63, 338836), (69, 309372), (84, 254127), (87, 245364), (92, 232029), (116, 184023), (126, 169418), (127, 168084), (138, 154686), (161, 132588), (174, 122682), (203, 105156), (207, 103124), (252, 84709), (254, 84042), (261, 81788), (276, 77343), (322, 66294), (348, 61341), (381, 56028), (406, 52578), (414, 51562), (483, 44196), (508, 42021), (522, 40894), (609, 35052), (644, 33147), (667, 32004), (762, 28014), (812, 26289), (828, 25781), (889, 24012), (966, 22098), (1044, 20447), (1143, 18676), (1218, 17526), (1334, 16002), (1449, 14732), (1524, 14007), (1778, 12006), (1827, 11684), (1932, 11049), (2001, 10668), (2286, 9338), (2436, 8763), (2667, 8004), (2668, 8001), (2898, 7366), (2921, 7308), (3556, 6003), (3654, 5842), (3683, 5796), (4002, 5334), (4572, 4669)]