21296184

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 67200000

約数和(自身を除く): 45903816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 199, 273, 294, 312, 343, 364, 392, 398, 546, 588, 597, 637, 686, 728, 796, 1029, 1092, 1176, 1194, 1274, 1372, 1393, 1592, 1911, 2058, 2184, 2388, 2548, 2587, 2744, 2786, 3822, 4116, 4179, 4459, 4776, 5096, 5174, 5572, 7644, 7761, 8232, 8358, 8918, 9751, 10348, 11144, 13377, 15288, 15522, 16716, 17836, 18109, 19502, 20696, 26754, 29253, 31044, 33432, 35672, 36218, 39004, 53508, 54327, 58506, 62088, 68257, 72436, 78008, 107016, 108654, 117012, 126763, 136514, 144872, 204771, 217308, 234024, 253526, 273028, 380289, 409542, 434616, 507052, 546056, 760578, 819084, 887341, 1014104, 1521156, 1638168, 1774682, 2662023, 3042312, 3549364, 5324046, 7098728, 10648092, 21296184]

約数ペア:

[(1, 21296184), (2, 10648092), (3, 7098728), (4, 5324046), (6, 3549364), (7, 3042312), (8, 2662023), (12, 1774682), (13, 1638168), (14, 1521156), (21, 1014104), (24, 887341), (26, 819084), (28, 760578), (39, 546056), (42, 507052), (49, 434616), (52, 409542), (56, 380289), (78, 273028), (84, 253526), (91, 234024), (98, 217308), (104, 204771), (147, 144872), (156, 136514), (168, 126763), (182, 117012), (196, 108654), (199, 107016), (273, 78008), (294, 72436), (312, 68257), (343, 62088), (364, 58506), (392, 54327), (398, 53508), (546, 39004), (588, 36218), (597, 35672), (637, 33432), (686, 31044), (728, 29253), (796, 26754), (1029, 20696), (1092, 19502), (1176, 18109), (1194, 17836), (1274, 16716), (1372, 15522), (1393, 15288), (1592, 13377), (1911, 11144), (2058, 10348), (2184, 9751), (2388, 8918), (2548, 8358), (2587, 8232), (2744, 7761), (2786, 7644), (3822, 5572), (4116, 5174), (4179, 5096), (4459, 4776)]