21091607936

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1023467}}^1$

素因数の和:1023511

約数の個数: 64

約数和(自身を含む): 50108993280

約数和(自身を除く): 29017385344

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1288, 1472, 2576, 2944, 5152, 10304, 20608, 1023467, 2046934, 4093868, 7164269, 8187736, 14328538, 16375472, 23539741, 28657076, 32750944, 47079482, 57314152, 65501888, 94158964, 114628304, 131003776, 164778187, 188317928, 229256608, 329556374, 376635856, 458513216, 659112748, 753271712, 917026432, 1318225496, 1506543424, 2636450992, 3013086848, 5272901984, 10545803968, 21091607936]

約数ペア:

[(1, 21091607936), (2, 10545803968), (4, 5272901984), (7, 3013086848), (8, 2636450992), (14, 1506543424), (16, 1318225496), (23, 917026432), (28, 753271712), (32, 659112748), (46, 458513216), (56, 376635856), (64, 329556374), (92, 229256608), (112, 188317928), (128, 164778187), (161, 131003776), (184, 114628304), (224, 94158964), (322, 65501888), (368, 57314152), (448, 47079482), (644, 32750944), (736, 28657076), (896, 23539741), (1288, 16375472), (1472, 14328538), (2576, 8187736), (2944, 7164269), (5152, 4093868), (10304, 2046934), (20608, 1023467)]