21964488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 46982712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 89, 91, 104, 113, 156, 168, 178, 182, 226, 267, 273, 312, 339, 356, 364, 452, 534, 546, 623, 678, 712, 728, 791, 904, 1068, 1092, 1157, 1246, 1356, 1469, 1582, 1869, 2136, 2184, 2314, 2373, 2492, 2712, 2938, 3164, 3471, 3738, 4407, 4628, 4746, 4984, 5876, 6328, 6942, 7476, 8099, 8814, 9256, 9492, 10057, 10283, 11752, 13884, 14952, 16198, 17628, 18984, 20114, 20566, 24297, 27768, 30171, 30849, 32396, 35256, 40228, 41132, 48594, 60342, 61698, 64792, 70399, 80456, 82264, 97188, 120684, 123396, 130741, 140798, 194376, 211197, 241368, 246792, 261482, 281596, 392223, 422394, 522964, 563192, 784446, 844788, 915187, 1045928, 1568892, 1689576, 1830374, 2745561, 3137784, 3660748, 5491122, 7321496, 10982244, 21964488]

約数ペア:

[(1, 21964488), (2, 10982244), (3, 7321496), (4, 5491122), (6, 3660748), (7, 3137784), (8, 2745561), (12, 1830374), (13, 1689576), (14, 1568892), (21, 1045928), (24, 915187), (26, 844788), (28, 784446), (39, 563192), (42, 522964), (52, 422394), (56, 392223), (78, 281596), (84, 261482), (89, 246792), (91, 241368), (104, 211197), (113, 194376), (156, 140798), (168, 130741), (178, 123396), (182, 120684), (226, 97188), (267, 82264), (273, 80456), (312, 70399), (339, 64792), (356, 61698), (364, 60342), (452, 48594), (534, 41132), (546, 40228), (623, 35256), (678, 32396), (712, 30849), (728, 30171), (791, 27768), (904, 24297), (1068, 20566), (1092, 20114), (1157, 18984), (1246, 17628), (1356, 16198), (1469, 14952), (1582, 13884), (1869, 11752), (2136, 10283), (2184, 10057), (2314, 9492), (2373, 9256), (2492, 8814), (2712, 8099), (2938, 7476), (3164, 6942), (3471, 6328), (3738, 5876), (4407, 4984), (4628, 4746)]