21008736

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:653

約数の個数: 144

約数和(自身を含む): 72412704

約数和(自身を除く): 51403968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 204, 224, 238, 252, 272, 288, 306, 336, 357, 408, 476, 504, 544, 612, 613, 672, 714, 816, 952, 1008, 1071, 1224, 1226, 1428, 1632, 1839, 1904, 2016, 2142, 2448, 2452, 2856, 3678, 3808, 4284, 4291, 4896, 4904, 5517, 5712, 7356, 8568, 8582, 9808, 10421, 11034, 11424, 12873, 14712, 17136, 17164, 19616, 20842, 22068, 25746, 29424, 31263, 34272, 34328, 38619, 41684, 44136, 51492, 58848, 62526, 68656, 72947, 77238, 83368, 88272, 93789, 102984, 125052, 137312, 145894, 154476, 166736, 176544, 187578, 205968, 218841, 250104, 291788, 308952, 333472, 375156, 411936, 437682, 500208, 583576, 617904, 656523, 750312, 875364, 1000416, 1167152, 1235808, 1313046, 1500624, 1750728, 2334304, 2626092, 3001248, 3501456, 5252184, 7002912, 10504368, 21008736]

約数ペア:

[(1, 21008736), (2, 10504368), (3, 7002912), (4, 5252184), (6, 3501456), (7, 3001248), (8, 2626092), (9, 2334304), (12, 1750728), (14, 1500624), (16, 1313046), (17, 1235808), (18, 1167152), (21, 1000416), (24, 875364), (28, 750312), (32, 656523), (34, 617904), (36, 583576), (42, 500208), (48, 437682), (51, 411936), (56, 375156), (63, 333472), (68, 308952), (72, 291788), (84, 250104), (96, 218841), (102, 205968), (112, 187578), (119, 176544), (126, 166736), (136, 154476), (144, 145894), (153, 137312), (168, 125052), (204, 102984), (224, 93789), (238, 88272), (252, 83368), (272, 77238), (288, 72947), (306, 68656), (336, 62526), (357, 58848), (408, 51492), (476, 44136), (504, 41684), (544, 38619), (612, 34328), (613, 34272), (672, 31263), (714, 29424), (816, 25746), (952, 22068), (1008, 20842), (1071, 19616), (1224, 17164), (1226, 17136), (1428, 14712), (1632, 12873), (1839, 11424), (1904, 11034), (2016, 10421), (2142, 9808), (2448, 8582), (2452, 8568), (2856, 7356), (3678, 5712), (3808, 5517), (4284, 4904), (4291, 4896)]