21291255936

素因数分解:

$2^7\times 3^2\times {\mathrm{349}}^1\times {\mathrm{52957}}^1$

素因数の和:53326

約数の個数: 96

約数和(自身を含む): 61444519500

約数和(自身を除く): 40153263564

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 349, 384, 576, 698, 1047, 1152, 1396, 2094, 2792, 3141, 4188, 5584, 6282, 8376, 11168, 12564, 16752, 22336, 25128, 33504, 44672, 50256, 52957, 67008, 100512, 105914, 134016, 158871, 201024, 211828, 317742, 402048, 423656, 476613, 635484, 847312, 953226, 1270968, 1694624, 1906452, 2541936, 3389248, 3812904, 5083872, 6778496, 7625808, 10167744, 15251616, 18481993, 20335488, 30503232, 36963986, 55445979, 61006464, 73927972, 110891958, 147855944, 166337937, 221783916, 295711888, 332675874, 443567832, 591423776, 665351748, 887135664, 1182847552, 1330703496, 1774271328, 2365695104, 2661406992, 3548542656, 5322813984, 7097085312, 10645627968, 21291255936]

約数ペア:

[(1, 21291255936), (2, 10645627968), (3, 7097085312), (4, 5322813984), (6, 3548542656), (8, 2661406992), (9, 2365695104), (12, 1774271328), (16, 1330703496), (18, 1182847552), (24, 887135664), (32, 665351748), (36, 591423776), (48, 443567832), (64, 332675874), (72, 295711888), (96, 221783916), (128, 166337937), (144, 147855944), (192, 110891958), (288, 73927972), (349, 61006464), (384, 55445979), (576, 36963986), (698, 30503232), (1047, 20335488), (1152, 18481993), (1396, 15251616), (2094, 10167744), (2792, 7625808), (3141, 6778496), (4188, 5083872), (5584, 3812904), (6282, 3389248), (8376, 2541936), (11168, 1906452), (12564, 1694624), (16752, 1270968), (22336, 953226), (25128, 847312), (33504, 635484), (44672, 476613), (50256, 423656), (52957, 402048), (67008, 317742), (100512, 211828), (105914, 201024), (134016, 158871)]