21603328

素因数分解:

$2^{10}\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 66

約数和(自身を含む): 46503746

約数和(自身を除く): 24900418

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 128, 136, 146, 256, 272, 289, 292, 512, 544, 578, 584, 1024, 1088, 1156, 1168, 1241, 2176, 2312, 2336, 2482, 4352, 4624, 4672, 4964, 8704, 9248, 9344, 9928, 17408, 18496, 18688, 19856, 21097, 36992, 37376, 39712, 42194, 73984, 74752, 79424, 84388, 147968, 158848, 168776, 295936, 317696, 337552, 635392, 675104, 1270784, 1350208, 2700416, 5400832, 10801664, 21603328]

約数ペア:

[(1, 21603328), (2, 10801664), (4, 5400832), (8, 2700416), (16, 1350208), (17, 1270784), (32, 675104), (34, 635392), (64, 337552), (68, 317696), (73, 295936), (128, 168776), (136, 158848), (146, 147968), (256, 84388), (272, 79424), (289, 74752), (292, 73984), (512, 42194), (544, 39712), (578, 37376), (584, 36992), (1024, 21097), (1088, 19856), (1156, 18688), (1168, 18496), (1241, 17408), (2176, 9928), (2312, 9344), (2336, 9248), (2482, 8704), (4352, 4964), (4624, 4672)]