21651794864

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{1237}}^1$

素因数の和:1615

約数の個数: 160

約数和(自身を含む): 52722161280

約数和(自身を除く): 31070366416

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 34, 56, 58, 68, 112, 116, 119, 136, 203, 232, 238, 272, 317, 406, 464, 476, 493, 634, 812, 952, 986, 1237, 1268, 1624, 1904, 1972, 2219, 2474, 2536, 3248, 3451, 3944, 4438, 4948, 5072, 5389, 6902, 7888, 8659, 8876, 9193, 9896, 10778, 13804, 17318, 17752, 18386, 19792, 21029, 21556, 27608, 34636, 35504, 35873, 36772, 37723, 42058, 43112, 55216, 64351, 69272, 71746, 73544, 75446, 84116, 86224, 128702, 138544, 143492, 147088, 147203, 150892, 156281, 168232, 251111, 257404, 286984, 294406, 301784, 312562, 336464, 392129, 502222, 514808, 573968, 588812, 603568, 609841, 625124, 784258, 1004444, 1029616, 1093967, 1177624, 1219682, 1250248, 1568516, 2008888, 2187934, 2355248, 2439364, 2500496, 2744903, 3137032, 4017776, 4268887, 4375868, 4878728, 5489806, 6274064, 6666193, 8537774, 8751736, 9757456, 10979612, 11371741, 13332386, 17075548, 17503472, 21959224, 22743482, 26664772, 34151096, 43918448, 45486964, 46663351, 53329544, 68302192, 79602187, 90973928, 93326702, 106659088, 159204374, 181947856, 186653404, 193319597, 318408748, 373306808, 386639194, 636817496, 746613616, 773278388, 1273634992, 1353237179, 1546556776, 2706474358, 3093113552, 5412948716, 10825897432, 21651794864]

約数ペア:

[(1, 21651794864), (2, 10825897432), (4, 5412948716), (7, 3093113552), (8, 2706474358), (14, 1546556776), (16, 1353237179), (17, 1273634992), (28, 773278388), (29, 746613616), (34, 636817496), (56, 386639194), (58, 373306808), (68, 318408748), (112, 193319597), (116, 186653404), (119, 181947856), (136, 159204374), (203, 106659088), (232, 93326702), (238, 90973928), (272, 79602187), (317, 68302192), (406, 53329544), (464, 46663351), (476, 45486964), (493, 43918448), (634, 34151096), (812, 26664772), (952, 22743482), (986, 21959224), (1237, 17503472), (1268, 17075548), (1624, 13332386), (1904, 11371741), (1972, 10979612), (2219, 9757456), (2474, 8751736), (2536, 8537774), (3248, 6666193), (3451, 6274064), (3944, 5489806), (4438, 4878728), (4948, 4375868), (5072, 4268887), (5389, 4017776), (6902, 3137032), (7888, 2744903), (8659, 2500496), (8876, 2439364), (9193, 2355248), (9896, 2187934), (10778, 2008888), (13804, 1568516), (17318, 1250248), (17752, 1219682), (18386, 1177624), (19792, 1093967), (21029, 1029616), (21556, 1004444), (27608, 784258), (34636, 625124), (35504, 609841), (35873, 603568), (36772, 588812), (37723, 573968), (42058, 514808), (43112, 502222), (55216, 392129), (64351, 336464), (69272, 312562), (71746, 301784), (73544, 294406), (75446, 286984), (84116, 257404), (86224, 251111), (128702, 168232), (138544, 156281), (143492, 150892), (147088, 147203)]