21446656

素因数分解:

$2^{14}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:63

約数の個数: 120

約数和(自身を含む): 56621376

約数和(自身を除く): 35174720

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 64, 68, 77, 88, 112, 119, 128, 136, 154, 176, 187, 224, 238, 256, 272, 308, 352, 374, 448, 476, 512, 544, 616, 704, 748, 896, 952, 1024, 1088, 1232, 1309, 1408, 1496, 1792, 1904, 2048, 2176, 2464, 2618, 2816, 2992, 3584, 3808, 4096, 4352, 4928, 5236, 5632, 5984, 7168, 7616, 8192, 8704, 9856, 10472, 11264, 11968, 14336, 15232, 16384, 17408, 19712, 20944, 22528, 23936, 28672, 30464, 34816, 39424, 41888, 45056, 47872, 57344, 60928, 69632, 78848, 83776, 90112, 95744, 114688, 121856, 139264, 157696, 167552, 180224, 191488, 243712, 278528, 315392, 335104, 382976, 487424, 630784, 670208, 765952, 974848, 1261568, 1340416, 1531904, 1949696, 2680832, 3063808, 5361664, 10723328, 21446656]

約数ペア:

[(1, 21446656), (2, 10723328), (4, 5361664), (7, 3063808), (8, 2680832), (11, 1949696), (14, 1531904), (16, 1340416), (17, 1261568), (22, 974848), (28, 765952), (32, 670208), (34, 630784), (44, 487424), (56, 382976), (64, 335104), (68, 315392), (77, 278528), (88, 243712), (112, 191488), (119, 180224), (128, 167552), (136, 157696), (154, 139264), (176, 121856), (187, 114688), (224, 95744), (238, 90112), (256, 83776), (272, 78848), (308, 69632), (352, 60928), (374, 57344), (448, 47872), (476, 45056), (512, 41888), (544, 39424), (616, 34816), (704, 30464), (748, 28672), (896, 23936), (952, 22528), (1024, 20944), (1088, 19712), (1232, 17408), (1309, 16384), (1408, 15232), (1496, 14336), (1792, 11968), (1904, 11264), (2048, 10472), (2176, 9856), (2464, 8704), (2618, 8192), (2816, 7616), (2992, 7168), (3584, 5984), (3808, 5632), (4096, 5236), (4352, 4928)]