21663936

素因数分解:

$2^6\times 3^5\times 7^1\times {\mathrm{199}}^1$

素因数の和:233

約数の個数: 168

約数和(自身を含む): 73964800

約数和(自身を除く): 52300864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 199, 216, 224, 243, 252, 288, 324, 336, 378, 398, 432, 448, 486, 504, 567, 576, 597, 648, 672, 756, 796, 864, 972, 1008, 1134, 1194, 1296, 1344, 1393, 1512, 1592, 1701, 1728, 1791, 1944, 2016, 2268, 2388, 2592, 2786, 3024, 3184, 3402, 3582, 3888, 4032, 4179, 4536, 4776, 5184, 5373, 5572, 6048, 6368, 6804, 7164, 7776, 8358, 9072, 9552, 10746, 11144, 12096, 12537, 12736, 13608, 14328, 15552, 16119, 16716, 18144, 19104, 21492, 22288, 25074, 27216, 28656, 32238, 33432, 36288, 37611, 38208, 42984, 44576, 48357, 50148, 54432, 57312, 64476, 66864, 75222, 85968, 89152, 96714, 100296, 108864, 112833, 114624, 128952, 133728, 150444, 171936, 193428, 200592, 225666, 257904, 267456, 300888, 338499, 343872, 386856, 401184, 451332, 515808, 601776, 676998, 773712, 802368, 902664, 1031616, 1203552, 1353996, 1547424, 1805328, 2407104, 2707992, 3094848, 3610656, 5415984, 7221312, 10831968, 21663936]

約数ペア:

[(1, 21663936), (2, 10831968), (3, 7221312), (4, 5415984), (6, 3610656), (7, 3094848), (8, 2707992), (9, 2407104), (12, 1805328), (14, 1547424), (16, 1353996), (18, 1203552), (21, 1031616), (24, 902664), (27, 802368), (28, 773712), (32, 676998), (36, 601776), (42, 515808), (48, 451332), (54, 401184), (56, 386856), (63, 343872), (64, 338499), (72, 300888), (81, 267456), (84, 257904), (96, 225666), (108, 200592), (112, 193428), (126, 171936), (144, 150444), (162, 133728), (168, 128952), (189, 114624), (192, 112833), (199, 108864), (216, 100296), (224, 96714), (243, 89152), (252, 85968), (288, 75222), (324, 66864), (336, 64476), (378, 57312), (398, 54432), (432, 50148), (448, 48357), (486, 44576), (504, 42984), (567, 38208), (576, 37611), (597, 36288), (648, 33432), (672, 32238), (756, 28656), (796, 27216), (864, 25074), (972, 22288), (1008, 21492), (1134, 19104), (1194, 18144), (1296, 16716), (1344, 16119), (1393, 15552), (1512, 14328), (1592, 13608), (1701, 12736), (1728, 12537), (1791, 12096), (1944, 11144), (2016, 10746), (2268, 9552), (2388, 9072), (2592, 8358), (2786, 7776), (3024, 7164), (3184, 6804), (3402, 6368), (3582, 6048), (3888, 5572), (4032, 5373), (4179, 5184), (4536, 4776)]