213221344

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 144

約数和(自身を含む): 545544720

約数和(自身を除く): 332323376

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 49, 56, 68, 76, 98, 112, 119, 133, 136, 152, 196, 224, 238, 266, 272, 304, 323, 392, 421, 476, 532, 544, 608, 646, 784, 833, 842, 931, 952, 1064, 1292, 1568, 1666, 1684, 1862, 1904, 2128, 2261, 2584, 2947, 3332, 3368, 3724, 3808, 4256, 4522, 5168, 5894, 6664, 6736, 7157, 7448, 7999, 9044, 10336, 11788, 13328, 13472, 14314, 14896, 15827, 15998, 18088, 20629, 23576, 26656, 28628, 29792, 31654, 31996, 36176, 41258, 47152, 50099, 55993, 57256, 63308, 63992, 72352, 82516, 94304, 100198, 111986, 114512, 126616, 127984, 135983, 165032, 200396, 223972, 229024, 253232, 255968, 271966, 330064, 350693, 391951, 400792, 447944, 506464, 543932, 660128, 701386, 783902, 801584, 895888, 951881, 1087864, 1402772, 1567804, 1603168, 1791776, 1903762, 2175728, 2805544, 3135608, 3807524, 4351456, 5611088, 6271216, 6663167, 7615048, 11222176, 12542432, 13326334, 15230096, 26652668, 30460192, 53305336, 106610672, 213221344]

約数ペア:

[(1, 213221344), (2, 106610672), (4, 53305336), (7, 30460192), (8, 26652668), (14, 15230096), (16, 13326334), (17, 12542432), (19, 11222176), (28, 7615048), (32, 6663167), (34, 6271216), (38, 5611088), (49, 4351456), (56, 3807524), (68, 3135608), (76, 2805544), (98, 2175728), (112, 1903762), (119, 1791776), (133, 1603168), (136, 1567804), (152, 1402772), (196, 1087864), (224, 951881), (238, 895888), (266, 801584), (272, 783902), (304, 701386), (323, 660128), (392, 543932), (421, 506464), (476, 447944), (532, 400792), (544, 391951), (608, 350693), (646, 330064), (784, 271966), (833, 255968), (842, 253232), (931, 229024), (952, 223972), (1064, 200396), (1292, 165032), (1568, 135983), (1666, 127984), (1684, 126616), (1862, 114512), (1904, 111986), (2128, 100198), (2261, 94304), (2584, 82516), (2947, 72352), (3332, 63992), (3368, 63308), (3724, 57256), (3808, 55993), (4256, 50099), (4522, 47152), (5168, 41258), (5894, 36176), (6664, 31996), (6736, 31654), (7157, 29792), (7448, 28628), (7999, 26656), (9044, 23576), (10336, 20629), (11788, 18088), (13328, 15998), (13472, 15827), (14314, 14896)]