21894656

素因数分解:

$2^9\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 80

約数和(自身を含む): 51559200

約数和(自身を除く): 29664544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 149, 164, 224, 256, 287, 298, 328, 448, 512, 574, 596, 656, 896, 1043, 1148, 1192, 1312, 1792, 2086, 2296, 2384, 2624, 3584, 4172, 4592, 4768, 5248, 6109, 8344, 9184, 9536, 10496, 12218, 16688, 18368, 19072, 20992, 24436, 33376, 36736, 38144, 42763, 48872, 66752, 73472, 76288, 85526, 97744, 133504, 146944, 171052, 195488, 267008, 342104, 390976, 534016, 684208, 781952, 1368416, 1563904, 2736832, 3127808, 5473664, 10947328, 21894656]

約数ペア:

[(1, 21894656), (2, 10947328), (4, 5473664), (7, 3127808), (8, 2736832), (14, 1563904), (16, 1368416), (28, 781952), (32, 684208), (41, 534016), (56, 390976), (64, 342104), (82, 267008), (112, 195488), (128, 171052), (149, 146944), (164, 133504), (224, 97744), (256, 85526), (287, 76288), (298, 73472), (328, 66752), (448, 48872), (512, 42763), (574, 38144), (596, 36736), (656, 33376), (896, 24436), (1043, 20992), (1148, 19072), (1192, 18368), (1312, 16688), (1792, 12218), (2086, 10496), (2296, 9536), (2384, 9184), (2624, 8344), (3584, 6109), (4172, 5248), (4592, 4768)]